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2449200 2081701 Hach Company ROWGHS English 1 2449200 2081669 Hach Company ROWGHS English 1 2449200 2081599 Hach Company ROWGHS English 1 2449200 98499 Hach Company ROWGHS English 1 ______Total Enclosures: 4 World Headquarters Hach Company P.O.Box 389 MSDS No: M00984 Loveland, CO USA 80539 (970) 669 -3050 SAFETY DATA SHEET

______1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATIO N

Product Name: TitraVer® Standard Solution, 0.0716M Catalog Number: 2081701

Hach Company Emergency Telephone Numbers: P.O.Box 389 (Medical and Transportation) Loveland, CO USA 80539 (303) 623 -5716 24 Hour Service (970) 669 -3050 (515)232 -2533 8am - 4pm CST

MSDS Number: M00984 Chemical Name: Not applicable CAS Number: Not applicable Additional CAS No. (for hydrated forms): Not applicable Chemical Formula: Not applicable Chemical Family: Not applicable Intended Use: Iron determinatio n ______2. HAZARDS IDENTIFICATION

GHS Classification: Hazard categories: Serious Eye Damage/Eye Irritation: Eye Dam. 1 GHS Label Elements: DANGER

Hazard statements: Causes serious eye damage. Precautionary statements: Wear protective gloves / protective clothing / eye protection / face protection. Wear eye protection. IF IN EYES: Rinse cautiously with water for several minutes. Re move contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. HMIS: Health: 1 Flammability: 0 Reactivity: 0 Protective Equipment: X - See protective equipment, Section 8. NFPA: Health: 1 Flammability: 0 Reactivity: 0 Symbol: Not applicable WHMIS Hazard Classification: Not applicable WHMIS Symbols: Not applicable ______3. COMPOSITION / INFORMATION ON I NGREDIENTS

Hazardous Components according to GHS: EDTA Tetrasodium Salt CAS Number: 64 -02 -8 Chemical Formula: C10 H12 N2Na 4O8 2H 2O GHS Classification: Acute Tox. 4 -Orl, H302; Eye Dam. 1, H318 Percent Range: 1.0 - 5.0 Percent Range Units: weight / volume PEL: 15 mg/m 3 as total dust; 5 mg/m 3 as respirable dust TLV: 10 mg/m 3 as inhalable dust; 3 mg/m 3 as respirable dust

WHMIS Symbols: Other Toxic Effects Methyl Alcohol

CAS Number: 67 -56 -1 Chemical Formula: CH 3OH GHS Classification: Flam. Liq 2, H225; Acute Tox 3 -Orl, H301; Acute Tox 3 -Derm, H311; Skin Irrit. 2, H315; Eye Irrit. 2A, H319; Acute Tox 3 -Inh, H331; Muta. 2, H341; Repr. 2, H361; STOT SE1, H370 Percent Range: < 0.1 Percent Range Units: weight / weight PEL: 200 ppm TLV : 200 ppm

WHMIS Symbols: Acute PoisonFlammable / CombustibleOther Toxic Effects Formaldehyde

CAS Number: 50 -00 -0 Chemical Formula: CH 2O GHS Classification: Flam. Liq. 4, H227; Acute Tox. 3 -Orl, H301; Acute Tox. 3 -Derm, H311; Skin Corr. 1B, H314; Skin Sens. 1, H317; Acute Tox. 3 -Inh, H331; Resp. Sens. 1, H334; Muta. 2, H341; Carc. 2, H351; Repr. 2, H361; STOT Single 1, H370; Aquatic Acute 2, H401 Percent Range: Percent Range Units: PEL: 0.75 ppm TLV: 0.3 ppm

WHMIS Symbols: Acute PoisonOth er Toxic Effects Hazardous Components according to GHS: No Demineralized Water

CAS Number: 7732 -18 -5 Chemical Formula: H2O GHS Classification: Not a dangerous substance according to GHS. Percent Range: >95.0 Percent Range Units: volume / volume PEL: Not established TLV: Not established

WHMIS Symbols: Not applicable ______4. FIRST AID MEASURES

General Information: In the event of exposure, show this Material Safety Data Sheet and label (where possible) to a doctor. Advice to doctor: Treat symptomatically. Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician. Skin Contact (First Aid): Wash skin with soap and plenty of water. Call physician if irritation develops. Inhalation: None required. Ingestion (First Aid): Give large quantities of water. Call physician immediately. ______5. FIRE FIGHTING MEASURES

Flammable Properties: Material will not burn. Fire Fighting Instruction: As in any fire, wear self -contained breathing apparatus pressure -demand and full protective gear. Evacuate area and fight fire from a safe distance. Extinguishing Media: Use media appropriate to surrounding fire conditions Extinguishing Media NOT To Be Used: Not applicable Fire / Explosion Hazards: None reported Hazardous Combustion Products: This materi al will not burn. ______6. ACCIDENTAL RELEASE MEASURES

Spill Response Notice: Only persons properly qualified to respond to an emergency involving hazardous substances may respond to a spill according to federal regulations (OSHA 29 CFR 1910.120(a)(v)) and per your company's emergency response plan and guidelines/procedures. See Section 13, Special Instructions for disposal assistance. Containment Technique: Absorb spilled liquid with non -reactive sorbent material. Dike large spills to keep spilled material from entering sewage and drainage systems or bodies of water. Clean -up Technique: If permitted by regulation, Cover spilled material with a dry acid, such as citric or boric. Scoop up slurry into a large beaker. Adjust to a pH between 6 and 9. Use sulfuric or citric acid to lower pH. Use soda ash or sodium bicarbonat e to increase pH. Flush reacted material to the drain with a large excess of water. Decontaminate the area of the spill with a weak acid solution. Otherwise, Pick up spill for disposal and place in a closed container Dispose of in accordance with loca l, state and federal regulations or laws. Evacuation Procedure: Evacuate as needed to perform spill clean -up. If conditions warrant, increase the size of the evacuation. DOT Emergency Response Guide Number: Not applicable ______7. HANDLING AND STORAGE

Handling: Avoid contact with eyes Wash thoroughly after handling. Maintain general industrial hygiene practices when using this product. Storage: Keep container tightly closed when not in use. Store between 10° and 25°C. Flammability Class: Not applicable ______8. EXPOSURE CONTROLS / PERSONAL PROTECTION

Engineering Controls: Maintain general industrial hygiene practices when using this product. Personal Protective Equipment: Eye Protection: safety glasses with top and side shields Skin Protection: disposable latex gloves Inhalation Protection: adequate ventilation Precautionary Measures: Avoid contact with: eyes Wash thoroughly after handling. TLV: Not established PEL: Not established For Occupational Exposure Limits (OEL) for ingredients, see section 3 - Composition/Information on Ingredients.: ______9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance: Clear, colorless liquid Physical State: Liquid Molecular Weight: Not applicable Odor: None Odor Threshold: Odorless pH: 9.4 Metal Corrosivity: Corrosivity Classification: Classified as corrosive to eyes. Not additionally classified as corrosive to metals. Steel: 0.000 in/yr (0.00 mm/yr) Aluminum: 0.000 in/yr (0.00 mm/yr) Specific Gravity/ Relative Density (water = 1; air =1): 1.014 Viscosity: Not determined Solubility: Water: Miscible Acid: Not determined Other: Not determined Partition Coefficient (n -octanol / water): Not applicable Coefficient of Water / Oil: Not applicable Melting Point: Not determi ned Decomposition Temperature: Not applicable Boiling Point: ~ 100 °C (~ 212 Vapor Pressure: Not determined Vapor Density (air = 1): Not determined Evaporation Rate (water = 1): 0.69 Volatile Organic Compounds Content: Not determined Flammab le Properties: Material will not burn. Flash Point: Not applicable Method: Not applicable Flammability Limits: Lower Explosion Limits: Not applicable Upper Explosion Limits: Not applicable Autoignition Temperature: Not applicable Explosive Properties: Not classified according to GHS criteria. Oxidizing Properties: Not classified according to GHS criteria. Reactivity Properties: Not classifed as self -reactive, pyrophoric, self -heating or emitting flammable gases in c ontact with water according to GHS criteria. Gas under Pressure: Not classified according to GHS criteria. ______10. STABILITY AND REACTIVITY

Chemical Stability: Stable when st ored under proper conditions. Mechanical Impact: None reported Static Discharge: None reported. Reactivity / Incompatibility: None reported Hazardous Decomposition: No hazardous decomposition products known. Conditions to Avoid: Extreme tem peratures Evaporation ______11. TOXICOLOGICAL INFORMATION

Toxicokinetics, Metabolism and Distribution: No information available for mixture. Toxicologicall y Synergistic Products: None reported Acute Toxicity: Based on classification principles, the classification criteria are not met. Specific Target Organ Toxicity - Single Exposure (STOT -SE): Based on classification principles, the classification criteria are not met. Specific Target Organ Toxicity - Repeat Exposure (STOT -RE): Based on classification principles, the classification criteria are not met. Skin Corrosion/Irritation: Mildly irritating to skin. Eye Damage: Corrosive to eyes. Sensitization: Based on classification principles, the classification criteria are not met. CMR Effects/Properties (carcinogenic, mutagenic or toxic to reproduction): No germ cell mutagenicity, carcinogenicity or reproductive toxicity data found. This product does NOT contain any NTP listed chemicals. This product does NOT contain any OSHA listed carcinogens. Symptoms/Effects: Ingestion: Very large doses may cause: calcium deficiency in the blood gastrointestin al tract irritation fever muscular cramps kidney damage Inhalation: No data reported. Skin Absorption: No effects anticipated Chronic Effects: None reported Medical Conditions Aggravated: None reported ______12. ECOLOGICAL INFORMATION Product Ecological Information: -- No ecological data available for this product. Ingredient Ecological Information: -- No ecological data available for the ingredients o f this product. ______13. DISPOSAL CONSIDERATIONS

EPA Waste ID Number: Not applicable Special Instructions (Disposal): Adjust to a pH between 6 and 9 with an acid, such as sulfuric or citric. Open cold water tap completely, slowly pour the reacted material to the drain. Flush system with plenty of water. Empty Containers: Rinse three times with an appropriate solve nt. Dispose of empty container as normal trash. NOTICE (Disposal): These disposal guidelines are based on federal regulations and may be superseded by more stringent state or local requirements. Please consult your local environmental regulators for more information. In Europe: Chemical and analysis solutions must be disposed of in compliance with the respective national regulations. Product packaging must be disposed of in compliance with the country -specific regulations or must be passed to a pac kaging return system. ______14. TRANSPORT INFORMATION

D.O.T.: D.O.T. Proper Shipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA ID Number : NA Packing Group: NA T.D.G.: Proper Shipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA UN Number/PIN: NA Packing Group: NA I.C.A.O.: I.C.A.O. Proper Shipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA ID Number: NA Packing Group: NA I.M.O.: Proper Shipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA ID Number: NA Packing Group: NA Additional Information: There is a possibility that this product could be contained in a reagent set or kit composed of various compatible dangerous goods. If the item is NOT in a set or kit, the classification given above applies. If the item IS part o f a set or kit, the classification would change to the following: UN3316 Chemical Kit, Class 9, PG II or III. If the item is not regulated, the Chemical Kit classification does not apply. ______15. REGULATORY INFORMATION

References: TLV's Threshold Limit Values and Biological Exposure Indices for 1992 -1993. American Conference of Governmental Industrial Hygienists, 1992. Air Contaminants, Federal Register, Vol. 54, No. 12. Thursday, January 19, 1989. pp. 2332 -2983. CCINFO RTECS. Canadian Centre for Occupational Health and Safety. Hamilton, Ontario Canada: 30 June 1993. In -house information. Technical Judgment. Vendor Information. Complete Text of H phrases referred to in Section 3: H302 Harmful if swa llowed. H315 Causes skin irritation. H318 Causes serious eye damage. Revision Summary: Substantial revision to comply with EU Reg 1272/2008, Reg 1907/2006 and UN GHS ( ST/SG/AC.10/36/Add.3). Date of MSDS Preparation: Day: 05 Month: February Year: 2015 MSDS Prepared: MSDS prepared by Product Compliance Department extension 3350 CCOHS Evaluation Note: It is offered under exemption from WHMIS labeling as specified in the Controlled Products Regulation (CPR) Section 17. It is offered under the interim policy that was established by Health Canada permitting use of GHS -formatted safety data sheets in Canada prior to revision of CPR to GHS. This product has been classified and labeled in accordance with the requirements of GHS (ST/SG/AC.10/36 /Add.3). This SDS has been prepared in accordance with the requirements of GHS (ST/SG/AC.10/36/Add.3). ______

Legend: NA - Not Applicable w/w - weight/weight ND - Not Determined w/v - weight/volume NV - Not Available v/v - volume/volume

USER RESPONSIBILITY: Each user should read and understand this information and incorporate it in individual site safety programs in accordance with applicable hazard communication standards and r egulations.

THE INFORMATION CONTAINED HEREIN IS BASED ON DATA CONSIDERED TO BE ACCURATE. HOWEVER, NO WARRANTY IS EXPRESSED OR IMPLIED REGARDING THE ACCURACY OF THESE DATA OR THE RESULTS TO BE OBTAINED FROM THE USE THEREOF.

______1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Product Name: Sulfosalicylic Acid Powder Pillows Catalog Number: 2081669

Hach Company Emergency Telephone Numbers: P.O.Box 389 (Medical and Transportation) Loveland, CO USA 80539 (303) 623 -5716 24 Hour Service (970) 669 -3050 (515)232 -2533 8am - 4pm CST

MSDS Number: M00092 Chemical Name: Not applicable CAS Number: 5-Sulfosalicylic acid 97 -05 -2 Additional CAS No. (for hydrated forms): Not applicable Chemical Formula: Not applicable Chemical Family: Not applicable Intended Use: Iron determinati on ______2. HAZARDS IDENTIFICATION

GHS Classification: Hazard categories: Corrosive to Metals: Met. Corr. 1 Acute Toxicity: Acute Tox. 4 -Orl Skin Corrosion/Irritation: Skin Co rr. 1B GHS Label Elements: DANGER

Hazard statements: May be corrosive to metals. Harmful if swallowed. Causes skin irritation. Precautionary statements: Do not breathe dus t/fume/gas/mist/vapours/spray. Do no eat, drink or smoke when using this product. Wear eye protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF ON SKIN (or hair) : Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. IF INHALED: Remove victim/person to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Absorb spillage to prevent material damage. Dispose of contents/container according to state, local, federal or national regulations. HMIS: Health: 3 Flammability: 1 Reactivity: 0 Protective Equipment: X - See protective equipment, Section 8. NFPA: Health: 3 Flammability: 1 Reactivity: 0 Symbol: Not applicable WHMIS Hazard Classification: Class E - Corrosive material WHMIS Symbols: Corrosive ______3. COMPOSITION / INFORMATION ON INGREDIENTS

Hazardous Components according to GHS: 5-Sulfosalicylic Acid

CAS Number: 97 -05 -2 Chemical Formula: C7H6O6S · 2H 2O GHS Classif ication: Acute Tox. 4 -Orl, H302; Skin Corr. 1B; H314; Eye Dam. 1, H318; Percent Range: > 99.0 Percent Range Units: weight / weight PEL: Not established TLV: Not established

WHMIS Symbols: Corrosive Hazardous Components according to GHS: No Silica, fumed

CAS Number: 7631 -86 -9 Chemical Formula: SiO 2 GHS Classification: Not applicable Percent Range: < 1.0 Percent Range Units: weight / weight 3 PEL: 80 mg/m (per %SiO 2) TLV: 4 mg/m 3 as inhalable; 1.5 mg/m 3 as respirable

WHMIS Symbols: Not applicable ______4. FIRST AID MEASURES

General Information: In the event of exposure, show this Material Safety Data Sheet and label (where possible) to a doctor. Advice to d octor: Treat symptomatically. Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician. Skin Contact (First Aid): Wash skin with soap and plenty of water. Call physician if irritation develops. Inhalation: Remove to fre sh air. Ingestion (First Aid): Do not induce vomiting. Give 1 -2 glasses of water. Call physician immediately. Never give anything by mouth to an unconscious person. ______5. F IRE FIGHTING MEASURES

Flammable Properties: Material is not classified as flammable according to GHS criteria. Fire Fighting Instruction: As in any fire, wear self -contained breathing apparatus pressure -demand and full protective gear. Extinguish ing Media: Use media appropriate to surrounding fire conditions Extinguishing Media NOT To Be Used: Not applicable Fire / Explosion Hazards: None reported Hazardous Combustion Products: Toxic fumes of: sulfur oxides. carbon monoxide, carbon dioxide. ______6. ACCIDENTAL RELEASE MEASURES

Spill Response Notice: Only persons properly qualified to respond to an emergency involving hazardous substances may respond to a spill according to federal regulations (OSHA 29 CFR 1910.120(a)(v)) and per your company's emergency response plan and guidelines/procedures. See Section 13, Special Instructions for disposal assistance. Containment Technique: Stop spilled material from being released to the environment. Clean -up Technique: Use only non -sparking tools. If permitted by regulation, Scoop up spilled material into a large beaker and dissolve with water. Adjust to a pH between 6 and 9 with an alkali, such as soda ash or sodium bicarbonate. Flush reacted material to the drain with a large excess of water. Otherwise, Pick up spill for disposal and place in a c losed container Dispose of in accordance with local, state and federal regulations or laws. Decontaminate the area of the spill with a soap solution. Evacuation Procedure: Evacuate local area (15 foot radius or as directed by your facility's emergenc y response plan) when: a pound or more of loose powder is spilled. If conditions warrant, increase the size of the evacuation. DOT Emergency Response Guide Number: 154 ______7. H ANDLING AND STORAGE

Engineering Controls: Have an eyewash station nearby. Maintain general industrial hygiene practices when using this product. Personal Protective Equipment: Eye Protection: safety glasses with top and side shields Skin Protection: disposable latex gloves lab coat Inhalation Protection: adequate ventilation Precautionary Measures: Avoid contact with: eyes skin clothing Do not breathe: dust Wash thoroughly after handling. Protect from: heat light moisture Keep away from: oxidizers TLV: Not establi shed PEL: Not established For Occupational Exposure Limits (OEL) for ingredients, see section 3 - Composition/Information on Ingredients.: ______9. PHYSICAL AND CHEMICAL PROPERTIE S

Appearance: White crystals Physical State: Solid Molecular Weight: Not applicable Odor: Not determined Odor Threshold: Not available pH: 5% solution = 1.2 Metal Corrosivity: Corrosivity Classification: Classified as corrosive to metals. Steel: 0.562 in/yr Aluminum: 0.055 in/yr Specific Gravity/ Relative Density (water = 1; air =1): 1.44 Viscosity: Not Applicable Solubility: Water: Soluble Acid: Soluble Other: Not determined Partition C oefficient (n -octanol / water): Not applicable Coefficient of Water / Oil: Not applicable Melting Point: 101°C; 214°F Decomposition Temperature: Not Applicable Boiling Point: Not applicable Vapor Pressure: Not applicable Vapor Density (air = 1 ): Not applicable Evaporation Rate (water = 1): Not applicable Volatile Organic Compounds Content: Not applicable Flammable Properties: Material is not classified as flammable according to GHS criteria. Flash Point: Not applicable Method: Not applicable Flammability Limits: Lower Explosion Limits: Not applicable Upper Explosion Limits: Not applicable Autoignition Temperature: Not available Explosive Properties: Not classified according to GHS criteria. Oxidizing Properties: Not classified according to GHS criteria. Reactivity Properties: Not classifed as self -reactive, pyrophoric, self -heating or emitting flammable gases in contact with water according to GHS criteria. Gas under Pressure: Not classified according to GHS criteria. ______10. STABILITY AND REACTIVITY

Chemical Stability: Stable when stored under proper conditions. Mechanical Impact: None reported Static Discharge: None reported. Reactivity / Incompatibility: Incompatible with: oxidizers Hazardous Decomposition: Toxic fumes of: sulfur oxides carbon dioxide carbon monoxide Conditions to Avoid: Heating to decomposition. ______11. TOXICOLOGICAL INFORMATION

Toxicokinetics, Metabolism and Distribution: No information available for mixture. Toxicologically Synergistic Products: None reported Acute Toxicity: Acute Toxicity Estimate (ATE) - Calculated from Ingredient Toxicity Data ATE oral LD50 = 1856 mg/kg ATE dermal LD50 = 7824 mg/kg Specific Target Organ Toxicity - Single Exposure (STOT -SE): Based on classification principles, the classification criteria are not met. Specific Target Organ Toxicity - Repeat Exposure (STOT -RE): Based on classification principles, the classification criteria are not met. Skin Corrosion/Irritation: Corrosive to skin. Eye Damage: Corrosive to eyes. Sensit ization: Based on classification principles, the classification criteria are not met. CMR Effects/Properties (carcinogenic, mutagenic or toxic to reproduction): No germ cell mutagenicity, carcinogenicity or reproductive toxicity data found. Thi s product does NOT contain any IARC listed chemicals. This product does NOT contain any NTP listed chemicals. This product does NOT contain any OSHA listed carcinogens. Symptoms/Effects: Ingestion: May cause: gastrointestinal tract irritati on nausea vomiting diarrhea Inhalation: May cause: sore throat coughing respiratory tract irritation Skin Absorption: None Reported Chronic Effects: None reported Medical Conditions Aggravated: Pre -existing: Eye conditions Skin cond itions Respiratory conditions ______12. ECOLOGICAL INFORMATION

Product Ecological Information: -- No ecological data available for this product. Ingredient Ecological Infor mation: -- No ecological data available for the ingredients of this product. ______13. DISPOSAL CONSIDERATIONS

EPA Waste ID Number: Not applicable Special Instructions (Disposal): Work in an approved fume hood. Dilute material with excess water making a weaker than 5% solution. Adjust to a pH between 6 and 9 with an alkali, such as soda ash or sodium bicarbonate. Open cold water tap completely, slowly pour the reacted material to the drain. Allow cold water to run for 5 minutes to completely flush the system. Empty Containers: Rinse three times with an appropriate solvent. Dispose of empty container as normal trash. NOTICE (Disposal): T hese disposal guidelines are based on federal regulations and may be superseded by more stringent state or local requirements. Please consult your local environmental regulators for more information. In Europe: Chemical and analysis solutions must be di sposed of in compliance with the respective national regulations. Product packaging must be disposed of in compliance with the country -specific regulations or must be passed to a packaging return system. ______14. TRANSPORT INFORMATION

D.O.T.: D.O.T. Proper Shipping Name: Corrosive Solid, Acidic, Organic, N.O.S. (Sulfosalicylic Acid) Hazard Class: 8 Subsidiary Risk: NA ID Number: UN3261 Packing Group: III T. D.G.: Proper Shipping Name: Corrosive Solid, Acidic, Organic, N.O.S. (Sulfosalicylic Acid) Hazard Class: 8 Subsidiary Risk: NA UN Number/PIN: 3261 Packing Group: III I.C.A.O.: I.C.A.O. Proper Shipping Name: Corrosive Solid, Acidic, Organic, N.O.S. (Sulfosalicylic Acid) Hazard Class: 8 Subsidiary Risk: NA ID Number: UN3261 Packing Group: III I.M.O.: Proper Shipping Name: Corrosive Solid, Acidic, Organic, N.O.S. (Sulfosalicylic Acid) Hazard Class: 8 Subsidiary Risk: NA ID Number: UN3261 Packing Group: III Additional Information: There is a possibility that this product could be contained in a reagent set or kit composed of various compatible da ngerous goods. If the item is NOT in a set or kit, the classification given above applies. If the item IS part of a set or kit, the classification would change to the following: UN3316 Chemical Kit, Class 9, PG II or III. If the item is not regulated, th e Chemical Kit classification does not apply. ______15. REGULATORY INFORMATION

References: 29 CFR 1900 - 1910 (Code of Federal Regulations - Labor). Air Contaminants, Federal Register, Vol. 54, No. 12. Thursday, January 19, 1989. pp. 2332 -2983. TLV's Threshold Limit Values and Biological Exposure Indices for 1992 -1993. American Conference of Governmental Industrial Hygienists, 1992. In -house information. Technical Judgment. Vendor Information. Complete Text of H phrases referred to in Section 3: H302 Harmful if swallowed . H314 Causes severe skin burns and eye damage. H318 Causes serious eye damage. Revision Summary: Substantial revision to comply with EU Reg 1272/2008, Reg 1907/2006 and UN GHS ( ST/SG/AC.10/36/Add.3). Date of MSDS Preparation: Day: 30 Month: January Year: 2015 MSDS Prepared: MSDS prepared by Product Compliance Department extension 3350 CCOHS Evaluation Note: It is offered under exemption from WHMIS labeling as specified in the Controlled Products Regulation (CPR) Section 17. It is off ered under the interim policy that was established by Health Canada permitting use of GHS -formatted safety data sheets in Canada prior to revision of CPR to GHS. This product has been classified and labeled in accordance with the requirements of GHS (ST/ SG/AC.10/36/Add.3). This SDS has been prepared in accordance with the requirements of GHS (ST/SG/AC.10/36/Add.3). ______

Legend: NA - Not Applicable w/w - weight/weight ND - Not Determined w/v - weight/volume NV - Not Available v/v - volume/volume

______1. CHEMICAL PRODUCT AND COMPANY IDENT IFICATION

Product Name: Citrate Buffer for Iron Catalog Number: 2081599

Hach Company Emergency Telephone Numbers: P.O.Box 389 (Medical and Transportation) Loveland, CO USA 80539 (303) 623 -5716 24 Hour Service (970) 669 -3050 (515)232 -2533 8am - 4pm CST

MSDS Number: M00091 Chemical Name: Not applicable CAS Number: Not applicable Additional CAS No. (for hydrated forms): Not applicable Chemical Formula: Not applicable Chemical Family: Not applicable Intended Use: Buffer ______2. HAZARDS IDENTIFICATION

GHS Classification: Hazard categories: . . Skin Corrosion/Irritation: Skin Irrit. 2 Serious Eye Damage/Eye Irritation: Eye Irrit. 2A GHS Label Elements: WARNING

Hazard statements: . . Causes skin irritation. Causes serious eye irritation. Precautionary statements: Wear protective gloves / protective clothing / eye protection / face protection. . Wear eye protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. IF ON SKIN: Wash with plenty of soap and water. If skin irritatio n occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. HMIS: Health: 1 Flammability: 1 Reactivity: 0 Protective Equipment: X - See protective equipment, Section 8. NFPA: Health: 1 Flammability: 1 Reactivity: 0 Symbol: Not applicable WHMIS Hazard Classification: Class D, Division 2, Subdivision B - Toxic material (other toxic effects) WHMIS Symbols: Other Toxic Effects ______3. COMPOSITION / INFORMATION ON INGREDIENTS

Hazardous Components according to GHS: Citric Acid

CAS Number: 77 -92 -9 Chemical Formula: C6H8O7 GHS Classification: Eye Irrit. 2 H319; Skin irrit. 2, H315 Percent Range: 80.0 - 90.0 Percent Range Units: weight / weight PEL: 15 mg/m 3 as total dust; 5 mg/m 3 as respirable dust TLV: 10 mg/m 3 as inhalable dust; 3 mg/m 3 as respirable dust

WHMIS Symbols: Other Toxic Effects Hazardous Components according to GHS: No Sodium Citrate

CAS Number: 68 -04 -2 . Chemical Formula: C6H5O7Na 3 2H 2O GHS Classification: Not applicable Percent Range: 10.0 - 20.0 Percent Range Units: weight / weight PEL: 15 mg/m 3 as inhalable dust; 5 mg/m 3 as respirable dust TLV: 10 mg/m 3 as inhalable dust; 3 mg/m 3 as respirable dust

WHMIS Symbols: Not applicable ______4. FIRST AID MEASURES

General Information: In the event of exposure, show this Material Safety Data Sheet and label (where possible) to a doctor. Advice to doctor: Treat symptomatically. Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician. Skin Contact (First Aid): Wash skin with plenty of water. Call physician if irritation devel ops. Inhalation: Remove to fresh air. Ingestion (First Aid): Give large quantities of water. Call physician immediately. ______5. FIRE FIGHTING MEASURES

Flammable Properties: Can burn in fire, releasing toxic vapors. Fire Fighting Instruction: As in any fire, wear self -contained breathing apparatus pressure -demand and full protective gear. Evacuate area and fight fire from a safe distance. Extingu ishing Media: Carbon dioxide Dry chemical. Water. Extinguishing Media NOT To Be Used: Not applicable Fire / Explosion Hazards: Contact with metal nitrates may cause explosion. Hazardous Combustion Products: Toxic fumes of: carbon monoxide, carbon dioxide. sodium monoxide ______6. ACCIDENTAL RELEASE MEASURES

Spill Response Notice: Only persons properly qualified to respond to an emergency involving hazardous substances may respond to a spill according to federal regulations (OSHA 29 CFR 1910.120(a)(v)) and per your company's emergency response plan and guidelines/procedures. See Section 13, Special Instructions for disposal assistance. Containment Technique: Stop spilled material from being released to the environment. Cover spilled solid material with sand or other inert material. Clean -up Technique: If permitted by regu lation, Scoop up spilled material into a large beaker and dissolve with water. Adjust to a pH between 6 and 9 with an alkali, such as soda ash or sodium bicarbonate. Flush reacted material to the drain with a large excess of water. Otherwise, Pick up spill for disposal and place in a closed container Dispose of in accordance with local, state and federal regulations or laws. Decontaminate the area of the spill with a soap solution. Evacuation Procedure: Evacuate as needed to perform spill clean -up. If conditions warrant, increase the size of the evacuation. DOT Emergency Response Guide Number: Not applicable ______7. HANDLING AND STORAGE

Handling: Avoid contact with eyes skin Do not breathe dust. Wash thoroughly after handling. Use with adequate ventilation. Maintain general industrial hygiene practices when using this product. Storage: Keep container tightly closed when not in use. Flammability Class: Not applicable ______8. EXPOSURE CONTROLS / PERSONAL PROTECTION

Engineering Controls: Have an eyewash station nearby. Maintain general industrial hygiene practices when using this product. Personal Protective Equipment: Eye Protection: safety glasses with top and side shields Skin Protection: disposable latex gloves lab coat Inhalation Protection: adequate ventilation Precautionary Measures: Avoid contact with: eye s skin Do not breathe: dust Wash thoroughly after handling. TLV: Not established PEL: Not established For Occupational Exposure Limits (OEL) for ingredients, see section 3 - Composition/Information on Ingredients.: ______9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance: White powder Physical State: Solid Molecular Weight: Not applicable Odor: None Odor Threshold: Not applicable pH: 2. 8 (1% solution) Metal Corrosivity: Corrosivity Classification: Not classified as corrosive to metals according to GHS criteria. Steel: Not determined Aluminum: Not determined Specific Gravity/ Relative Density (water = 1; air =1): 1.88 Viscosi ty: Not applicable Solubility: Water: Soluble Acid: Soluble Other: Not determined Partition Coefficient (n -octanol / water): Not applicable Coefficient of Water / Oil: Not applicable Melting Point: 110° -115° C Decomposition Temperature: Not available Boiling Point: Not applicable Vapor Pressure: Not applicable Vapor Density (air = 1): Not applicable Evaporation Rate (water = 1): Not applicable Volatile Organic Compounds Content: Not applicable Flammable Properties: Can burn in fire, releasing toxic vapors. Flash Point: Not applicable Method: Not applicable Flammability Limits: Lower Explosion Limits: Not applicable Upper Explosion Limits: Not applicable Autoignition Temperature: Not applicable Explosiv e Properties: Not classified according to GHS criteria. Oxidizing Properties: Not classified according to GHS criteria. Reactivity Properties: Not classifed as self -reactive, pyrophoric, self -heating or emitting flammable gases in contact w ith water according to GHS criteria. Gas under Pressure: Not classified according to GHS criteria. ______10. STABILITY AND REACTIVITY

Chemical Stability: Stable when stored und er proper conditions. Mechanical Impact: None reported Static Discharge: None reported. Reactivity / Incompatibility: May explode in contact with: metal nitrates Incompatible with: oxidizers Hazardous Decomposition: Heating to decomposition releases toxic and/or corrosive fumes of: sulfur oxides Conditions to Avoid: Excess moisture Extreme temperatures Heating to decomposition. ______11. TOXICOLOGICAL INFORMATION

Toxicokinetics, Metabolism and Distribution: No information available for mixture. Toxicologically Synergistic Products: None reported Acute Toxicity: Based on classification principles, the classification criteria are not met. Specific Target Organ Toxicity - Single Exposure (STOT -SE): Based on classification principles, the classification criteria are not met. Specific Target Organ Toxicity - Repeat Exposure (STOT -RE): Based on classification principles, the classificatio n criteria are not met. Skin Corrosion/Irritation: Irritating to skin. Eye Damage: Irritating to eyes. Sensitization: Based on classification principles, the classification criteria are not met. CMR Effects/Properties (carcinogenic, mutageni c or toxic to reproduction): No germ cell mutagenicity, carcinogenicity or reproductive toxicity data found. This product does NOT contain any IARC listed chemicals. This product does NOT contain any NTP listed chemicals. This product does NOT contain any OSHA listed carcinogens. Symptoms/Effects: Ingestion: None reported Inhalation: May cause: respiratory tract irritation Skin Absorption: No effects anticipated Chronic Effects: Citric acid chronic overexposure may cause e ffects due to the ability of citric acid to chelate metals, which could impair the body's ability to absorb calcium and iron. Medical Conditions Aggravated: Pre -existing: Eye conditions Skin conditions Respiratory conditions ______12. ECOLOGICAL INFORMATION

Product Ecological Information: -- No ecological data available for this product. Ingredient Ecological Information: -- No ecological data available for the ingredients of this product. ______13. DISPOSAL CONSIDERATIONS

EPA Waste ID Number: Not applicable Special Instructions (Disposal): Dilute to 3 to 5 times the volume with cold water. Adjust to a pH between 6 and 9 with an alkali, such as soda ash or sodium bicarbonate. Open cold water tap completely, slowly pour the reacted material to the drain. Allow cold water to run for 5 minu tes to completely flush the system. Empty Containers: Rinse three times with an appropriate solvent. Dispose of empty container as normal trash. NOTICE (Disposal): These disposal guidelines are based on federal regulations and may be superseded by more stringent state or local requirements. Please consult your local environmental regulators for more information. In Europe: Chemical and analysis solutions must be disposed of in compliance with the respective national regulations. Product packagi ng must be disposed of in compliance with the country -specific regulations or must be passed to a packaging return system. ______14. TRANSPORT INFORMATION

D.O.T.: D.O.T. Proper Sh ipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA ID Number: NA Packing Group: NA T.D.G.: Proper Shipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA UN Number/PIN: NA Packing Group: NA I.C.A.O.: I.C.A.O. Proper Shipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA ID Number: NA Packing Group: NA I.M.O.: Proper Shipping Name: Not Currently Regulated -- Hazard Class: NA Subsidiary Risk: NA ID Number: NA Packing Group: NA Additional Information: There is a possibility that this product could be contained in a reagent set or kit composed of various compatible dangerous goods. If the item i s NOT in a set or kit, the classification given above applies. If the item IS part of a set or kit, the classification would change to the following: UN3316 Chemical Kit, Class 9, PG II or III. If the item is not regulated, the Chemical Kit classificatio n does not apply. ______15. REGULATORY INFORMATION

References: 29 CFR 1900 - 1910 (Code of Federal Regulations - Labor). CCINFO RTECS. Canadian Centre for Occupational Health and Sa fety. Hamilton, Ontario Canada: 30 June 1993. Fire Protection Guide on Hazardous Materials, 10th Ed. Quincy, MA: National Fire Protection Fire Protection Guide on Hazardous Materials, 10th Ed. Quincy, MA: National Fire Protection Association, 1991. Technical Judgment. Complete Text of H phrases referred to in Section 3: Not applicable . H315 Causes skin irritation. H319 Causes serious eye irritation. Revision Summary: . Substantial revision to comply with EU Reg 1272/2008, Reg 1907/2006 and UN GHS ( ST/SG/AC.10/36/Add.3). Date of MSDS Preparation: Day: 29 Month: January Year: 2015 MSDS Prepared: MSDS prepared by Product Compliance Department extension 3350 CCOHS Evaluation Note: It is offered under exemption from WHMIS label ing as specified in the Controlled Products Regulation (CPR) Section 17. It is offered under the interim policy that was established by Health Canada permitting use of GHS -formatted safety data sheets in Canada prior to revision of CPR to GHS. This prod uct has been classified and labeled in accordance with the requirements of GHS (ST/SG/AC.10/36/Add.3). This SDS has been prepared in accordance with the requirements of GHS (ST/SG/AC.10/36/Add.3). ______

Legend: NA - Not Applicable w/w - weight/weight ND - Not Determined w/v - weight/volume NV - Not Available v/v - volume/volume

USER RESPONSIBILITY: Each user should read and u nderstand this information and incorporate it in individual site safety programs in accordance with applicable hazard communication standards and regulations.

THE INFORMATION CONTAINED HEREIN IS BASED ON DATA CONSIDERED TO BE ACCURATE. HOWEVER, NO WARRANT Y IS EXPRESSED OR IMPLIED REGARDING THE ACCURACY OF THESE DATA OR THE RESULTS TO BE OBTAINED FROM THE USE THEREOF.

______1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Product Name: Sodium Periodate Catalog Number: 98499

Hach Company Emergency Telephone Numbers: P.O.Box 389 (Medical and Transportation) Loveland, CO USA 80539 (303) 623 -5716 24 Hour Service (970) 669 -3050 (515)232 -2533 8am - 4pm CST

MSDS Number: M00021 Chemical Name: Sodium Periodate CAS Number: 7790 -28 -5 Additional CAS No. (for hydrated forms): Not applic able Chemical Formula: NaIO 4 Chemical Family: Oxidizing Agents Intended Use: Laboratory Use ______2. HAZARDS IDENTIFICATION

GHS Classification: Hazard categories: Oxidizing Solids: Ox. Sol. 2 Acute Toxicity: Acute Tox. 3 -Orl GHS Label Elements: DANGER

Hazard statements: Toxic if swallowed. May intensify fire; oxidiser. Precautionar y statements: Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep/Store away from clothing/combustible materials. Wear eye protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. Rinse mouth. In case of fi re: Use dry sand or extinguishing powder for extinction. HMIS: Health: 2 Flammability: 0 Reactivity: 2 Protective Equipment: X - See protective equipment, Section 8. NFPA: Health: 2 Flammability: 0 Reactivity: 2 Symbol: oxy WHMIS Hazard Classification: Class C - Oxidizing materials Class D, Division 2, Subdivision B - Toxic material (other toxic effects) WHMIS Symbols: Oxidizing Other Toxic Effects ______3. COMPOSITION / INFORMATION ON INGREDIENTS

Hazardous Components according to GHS: Sodium m -Periodate

CAS Number: 7790 -28 -5 Chemical Formula: NaIO 4 GHS Classification: OxSol2, H272; AcuteTox -Orl3, H301 Percent Range: 100.0 Percent Rang e Units: weight / weight PEL: Not established TLV: Not established

WHMIS Symbols: OxidizingOther Toxic Effects ______4. FIRST AID MEASURES

General Information: In the event of exposure, show this Material Safety Data Sheet and label (where possible) to a doctor. Advice to doctor: Treat symptomatically. Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician. Skin Contact (First Aid): Wash skin with plenty of water for 15 minutes. Remove contaminated clothing. Call physician immediately. Inhalation: Remove to fresh air. Ingestion (First Aid): Do not induce vomiting. Give large quantities of water. Call physician imme diately. Never give anything by mouth to an unconscious person. ______5. FIRE FIGHTING MEASURES

Flammable Properties: Strong oxidizer. Contact with combustible materials may cau se a fire. Fire Fighting Instruction: As in any fire, wear self -contained breathing apparatus pressure -demand and full protective gear. Evacuate area and fight fire from a safe distance. Extinguishing Media: Water. Carbon dioxide Dry chemical. Extinguishing Media NOT To Be Used: Not applicable Fire / Explosion Hazards: May react violently with: strong reducers Hazardous Combustion Products: Toxic fumes of: iodine iodine compounds sodium monoxide ______6. ACCIDENTAL RELEASE MEASURES

Spill Response Notice: Only persons properly qualified to respond to an emergency involving hazardous substances may respond to a spill accor ding to federal regulations (OSHA 29 CFR 1910.120(a)(v)) and per your company's emergency response plan and guidelines/procedures. See Section 13, Special Instructions for disposal assistance. Outside of the US, only persons properly qualified according to state or local regulations should respond to a spill involving chemicals. Containment Technique: Stop spilled material from being released to the environment. Cover spilled solid material with sand or other inert material. Clean -up Technique: I f permitted by regulation, Working in small batches, dilute with excess water. Adjust to a pH between 6 and 9 with an alkali, such as soda ash or sodium bicarbonate. Flush reacted material to the drain with a large excess of water. Decontaminate site w ith an alkali solution. Otherwise, Pick up spill for disposal and place in a closed container Dispose of in accordance with local, state and federal regulations or laws. Evacuation Procedure: Evacuate general area (50 foot radius or as directed by y our facility's emergency response plan) when: any quantity is spilled. If conditions warrant, increase the size of the evacuation. DOT Emergency Response Guide Number: 140 ______7. HANDLING AND STORAGE

Handling: Avoid contact with eyes skin clothing Do not breathe dust. Wash thoroughly after handling. Maintain general industrial hygiene practices when using this product. Storage: Protect from: moisture oxidizable materials all sources of ignition Flammability Class: Not applicable ______8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering Controls: Maintain general industrial hygiene practices when using this product. Personal Protective Equipment: Eye Protection: safety glasses with top and side shields Skin Protection: lab coat disposable latex gloves In the EU, the selected gloves mu st satisfy the specifications of EU Directive 89/686/EEC and standard EN 374 derived from it. Inhalation Protection: adequate ventilation Precautionary Measures: Avoid contact with: eyes skin clothing Do not breathe: dust Wash thoroughly afte r handling. TLV: Not established PEL: Not established For Occupational Exposure Limits (OEL) for ingredients, see section 3 - Composition/Information on Ingredients.: ______9. P HYSICAL AND CHEMICAL PROPERTIES

Appearance: White powder Physical State: Solid Molecular Weight: 214.0 Odor: None Odor Threshold: Odorless pH: of 5% solution = 4 - 4.5 Metal Corrosivity: Corrosivity Classification: Not classified as corr osive to metals according to GHS criteria. Steel: Not determined Aluminum: Not determined Specific Gravity/ Relative Density (water = 1; air =1): 3.865 Viscosity: Not applicable Solubility: Water: Soluble - 14.4 g/100 g of water Acid: Soluble Other: Not determined Partition Coefficient (n -octanol / water): Not determined Coefficient of Water / Oil: Not determined Melting Point: 300°C 572°F Decomposition Temperature: > 300 °C Boiling Point: Not applicable Vapor Pressure: Not applicable Vapor Density (air = 1): Not applicable Evaporation Rate (water = 1): Not applicable Volatile Organic Compounds Content: Not applicable Flammable Properties: Strong oxidizer. Contact with combustible materials may c ause a fire. Flash Point: Not applicable Method: Not applicable Flammability Limits: Lower Explosion Limits: Not applicable Upper Explosion Limits: Not applicable Autoignition Temperature: Not determined Explosive Properties: Not applicabl e Not classified according to GHS criteria. Oxidizing Properties: Not applicable Not classified according to GHS criteria. Reactivity Properties: Not applicable Not classifed as self -reactive, pyrophoric, self -heating or emitting flammable g ases in contact with water according to GHS criteria. Gas under Pressure: Not applicable ______10. STABILITY AND REACTIVITY

Chemical Stability: Stable when stored under proper conditions. Mechanical Impact: None reported Static Discharge: None reported. Reactivity / Incompatibility: May react violently in contact with: reducers organic materials Hazardous Decomposition: Toxic fumes o f: Iodine iodine compounds sodium monoxide Conditions to Avoid: Excess moisture Heating to decomposition. ______11. TOXICOLOGICAL INFORMATION

Toxicokinetics, Metabolism and Distribution: No information available Toxicologically Synergistic Products: None reported Acute Toxicity: Route Data Given Below Oral rat LD50 = 264 mg/kg; Specific Target Organ Toxicity - Single Exposure (STOT -SE): Based on classificati on principles, the classification criteria are not met. Specific Target Organ Toxicity - Repeat Exposure (STOT -RE): Based on classification principles, the classification criteria are not met. Skin Corrosion/Irritation: Based on classification prin ciples, the classification criteria are not met. Eye Damage: Based on classification principles, the classification criteria are not met. Sensitization: Based on classification principles, the classification criteria are not met. CMR Effects/Prop erties (carcinogenic, mutagenic or toxic to reproduction): No germ cell mutagenicity, carcinogenicity or reproductive toxicity data found. IARC Listed: No NTP Listed: No O.S.H.A. Listed: No Symptoms/Effects: Ingestion: May cause: abdominal pain vomiting diarrhea Inhalation: Causes: irritation of nose and throat Skin Absorption: None Reported Chronic Effects: None reported Medical Conditions Aggravated: Pre -existing: Eye conditions Skin conditions ______12. ECOLOGICAL INFORMATION

Product Ecological Information: -- No ecological data available for this product. Mobility in soil: No data available CEPA Categorizatio n: Persistent Not Bioaccumulative Not inherently toxic to aquatic organisms Ingredient Ecological Information: -- Not applicable ______13. DISPOSAL CONSIDERATIONS

EPA Waste ID Number: D001 Special Instructions (Disposal): Work in an approved fume hood. Working in a large container, cautiously add small portions of the material to cold water with agitation. Adjust to a pH between 6 and 9 with an alkali, such as soda ash or sodium bicarbonate. Open cold water tap completely, slowly pour the reacted material to the drain. Allow cold water to run for 5 minutes to completely flush the system. Verification should be made that such disposal is not inconsistent w ith any pretreatment agreement your facility may have with the wastewater treatment facility. Otherwise, Dispose of material in an E.P.A. approved hazardous waste facility. Empty Containers: Rinse three times with an appropriate solvent. Collect rin sate and dispose of according to local, state or federal regulations. Dispose of empty container as normal trash. In the US, rinsate from empty containers is classified as hazardous waste and should be disposed of at an E.P. A. approved facility. Rinsat e from empty containers may contain sufficient product to require disposal as hazardous waste. NOTICE (Disposal): These disposal guidelines are based on federal regulations and may be superseded by more stringent state or local requirements. Please co nsult your local environmental regulators for more information. In Europe: Chemical and analysis solutions must be disposed of in compliance with the respective national regulations. Product packaging must be disposed of in compliance with the country -specific regulations or must be passed to a packaging return system. ______14. TRANSPORT INFORMATION

D.O.T.: D.O.T. Proper Shipping Name: Oxidizing Solid, N.O.S. (Sodium Perio date) Hazard Class: 5.1 Subsidiary Risk: NA ID Number: UN1479 Packing Group: II T.D.G.: Proper Shipping Name: Oxidizing Solid, N.O.S. (Sodium Periodate) Hazard Class: 5.1 Subsidiary Risk: NA UN Number/PIN: 1479 Packing Group: II I.C.A.O.: I.C.A.O. Proper Shipping Name: Oxidizing Solid, N.O.S. (Sodium Periodate) Hazard Class: 5.1 Subsidiary Risk: NA ID Number: UN1479 Packing Group: II I.M.O.: Proper Shipping Name: Oxidizing Solid, N. O.S. (Sodium Periodate) Hazard Class: 5.1 Subsidiary Risk: NA ID Number: UN1479 Packing Group: II Additional Information: There is a possibility that this product could be contained in a reagent set or kit composed of various compati ble dangerous goods. If the item is NOT in a set or kit, the classification given above applies. If the item IS part of a set or kit, the classification would change to the following: UN3316 Chemical Kit, Class 9, PG II or III. If the item is not regulat ed, the Chemical Kit classification does not apply. ______15. REGULATORY INFORMATION

U.S. Federal Regulations: O.S.H.A.: This product meets the criteria for a hazardous substance as defined in the Hazard Communication Standard. (29 CFR 1910.1200) E.P.A.: S.A.R.A. Title III Section 311/312 Categorization (40 CFR 370): Immediate (Acute) Health Hazard Fire Hazard S.A. R.A. Title III Section 313 (40 CFR 372): This product does NOT contain any chemical subject to the reporting requirements of Section 313 of Title III of SARA. -- 302 (EHS) TPQ (40 CFR 355): Not applicable 304 CERCLA RQ (40 CFR 302.4): Not appl icable 304 EHS RQ (40 CFR 355): Not applicable Clean Water Act (40 CFR 116.4): Not applicable RCRA: Contains RCRA regulated substances. See Section 13, EPA Waste ID Number. State Regulations: California Prop. 65: No Prop. 65 listed chemical s are present in this product. Identification of Prop. 65 Ingredient(s): Not applicable California Perchlorate Rule CCR Title 22 Chap 33: Not applicable Trade Secret Registry: Not applicable National Inventories: U.S. Inventory Status: TSCA Listed: Yes CAS Number: 7790 -28 -5 Canadian Inventory Status: DSL Listed: Yes EEC Inventory Status: EINECS Listed: Yes Australian Inventory (AICS) Status: Listed New Zealand Inventory (NZIoC) Status: Listed Korean Inventory (KECI) S tatus: Listed Japan (ENCS) Inventory Status: Listed China (PRC) Inventory (MEP) Status: Listed ______16. OTHER INFORMATION References: Vendor Information. TLV's Threshold Limit Values and Biological Exposure Indices for 1992 -1993. American Conference of Governmental Industrial Hygienists, 1992. The Merck Index, 11th Ed. Rahway, New Jersey: Merck and Co., Inc., 1989. Technical Judg ment. Sax, N. Irving. Dangerous Properties of Industrial Materials, 7th Ed. New York: Van Nostrand Reinhold Co., 1989. CCINFO RTECS. Canadian Centre for Occupational Health and Safety. Hamilton, Ontario Canada: 30 June 1993. CCINFO MSDS/FTSS. Can adian Centre for Occupational Health and Safety. Hamilton, Ontario Canada: 30 June 1993. List of Dangerous Substances Classified in Annex I of the EEC Directive (67/548) - Classification, Packaging and Labeling of Dangerous Substances, Amended July 1992 . Air Contaminants, Federal Register, Vol. 54, No. 12. Thursday, January 19, 1989. pp. 2332 -2983. 29 CFR 1900 - 1910 (Code of Federal Regulations - Labor). Complete Text of H phrases referred to in Section 3: H272 May intensify fire; oxidiser. H30 1 Toxic if swallowed. Revision Summary: Substantial revision to comply with EU Reg 1272/2008, Reg 1907/2006 and UN GHS ( ST/SG/AC.10/36/Add.3). Date of MSDS Preparation: Day: 29 Month: July Year: 2014 MSDS Prepared: MSDS prepared by Product C ompliance Department extension 3350 CCOHS Evaluation Note: It is offered under the interim policy that was established by Health Canada permitting use of GHS -formatted safety data sheets in Canada prior to revision of CPR to GHS. It is offered under exemption from WHMIS labeling as specified in the Controlled Products Regulation (CPR) Section 17. ______

Legend: NA - Not Applicable w/w - weight/weight ND - Not Determined w/v - we ight/volume NV - Not Available v/v - volume/volume