MATERIAL SAFETY DATA SHEET

SODIUM IODATE

PRODUCT IDENTIFICATION sulphides. Chemical Name and Synonyms: Reactivity: iodate; , sodium Avoid moisture, heat, shock, friction, generation of dust. Chemical Family: Keep away from all ignition sources and incompatible materials. Inorganic salt Hazardous Decomposition Products: : When heated to decomposition, emits toxic fumes of hydrogen NaIO3 iodide, , sodium, sodium oxides Product Use: FIRE AND EXPLOSION DATA Laboratory reagent Flammability: Manufacturer’s Name and Address: Non combustible; however, substance is a strong oxidizer, and Caledon Laboratories Ltd. forms explosive mixtures with combustible organic or other 40 Armstrong Avenue easily oxidizable materials. Releases oxygen in fire situation, Georgetown, Ontario L7G 4R9 which promotes combustion. Can explode in contact with Telephone No: combustible materials, or by friction or shock. Containers may (905) 877-0101 explode in heat of fire. Fax No: Extinguishing Media: (905) 877-6666 Use flooding amounts of water as spray or fog, to extinguish Emergency Telephone No: fire and to minimize dust, absorb heat, cool containers, and CANUTEC (613) 996-6666 disperse vapours. Fight fire from upwind, from a safe distance. Do not allow runoff to enter sewers or waterways. HAZARDOUS INGREDIENTS OF MATERIALS FIrefighters must wear protective equipment (positive-pressure, Ingredients % TLV Units CAS No. full face-piece self-contained breathing apparatus) and clothing Sodium iodate >99 Not established 7681-55-2 sufficient to prevent inhalation of dust or fumes, and contact PHYSICAL DATA with skin and eyes (full Bunker Gear). Physical State: Flash Point (Method Used): Solid Not applicable Odour and Appearance: Autoignition Temperature: White crystalline powder, odourless. Not applicable Odour Threshold (ppm): Upper Flammable Limit (% by volume): Not applicable Not applicable Vapour Pressure (mm Hg): Lower Flammable Limit (% by volume): Not available Not applicable Vapour Density (Air = 1): Hazardous Combustion Products: Not available Toxic fumes of hydrogen iodide, iodine, sodium, sodium oxides Evaporation Rate: Sensitivity to Impact: Not applicable May explode when shocked. Boiling Point (degrees C): Sensitivity to Static discharge: Not applicable Mixtures of dust with air may be sensitive under certain (degrees C): conditions, particularly when contaminated with organic Not available materials, when exposed to electrostatic or other high-voltage pH: spark, or other ignition source. Neutral TOXICOLOGICAL PROPERTIES AND HEALTH Specific Gravity: DATA 4.277 Toxicological Data: Coefficient of Water/Oil distribution: LD50: Not available (oral, mouse) 505 mg/kg; (ipr, mouse) 119 mg/kg SHIPPING DESCRIPTION LC50: UN: Not available 1479 Effects of Acute Exposure to Product: T.D.G. Class: Inhaled: 5.1 Severe irritant to mucous membranes. May cause burning, Pkg. Group: coughing, wheezing, shortness of breath, headache, nausea II and vomiting. May cause allergic reaction. REACTIVITY DATA In contact with skin: Chemical Stability: Very irritating, particularly on moist skin. Solutions may cause Stable moderate to severe irritation, depending on concentration and Incompatibility with other substances: duration of exposure. May cause allergic reaction. Reacts violently or explosively, especially in the presence of In contact with eyes: moisture, friction impact, heat, or sparks, with combustible, Irritant. May cause severe irritation, with redness, itching, organic or reducing materials, acids, finely powdered metals, tearing, pain, even corneal burns. Severity depends on phosphorus, aluminum, arsenic oxides, , concentration and duration of exposure. Ingested:

SODIUM IODATE

Harmful. Destructive to tissue of gastro-intestinal tract. May ignition. Use non-sparking tools. Avoid contact and cause burning of mouth and throat, nausea and vomiting, inhalation of dust or mist. Do not shock. Use the smallest abdominal pain. Probable lethal dose for humans 50 to 500 possible amount for the purpose, in designated areas with mg/kg. adequate ventilation. Keep work area clean and free of Effects of Chronic Exposure to Product: extraneous, particularly combustible, materials. Keep Prolonged or repeated exposure may cause damage to lidneys, containers closed when not in use and when empty. Empty liver, and spleen, and can lead to iodism characterized by containers may contain hazardous residues; treat with caution. headache, excess salivation, nasal discharge, conjunctivitis, Storage Requirements: laryngitis, bronchitis, stomatitis, enlarged submaxillary glands, Store in suitable, labelled containers, in a cool, dry, and skin rashes. Persons with impaired kidney or liver function well-ventilated area, out of direct sunlight. Store away from may be more susceptible to the effects of this chemical. incompatible, combustible or organic materials. Storage Chronic ingestion may cause central nervous system failure. facilities (shelves, floors) should be constructed of Carcinogenicity: non-combustible materials. Keep away from all ignition Not considered carcinogenic sources. Keep containers tightly closed when not in use and Teratogenicity: when empty. Protect from damage, and inspect frequently for No information available signs of leaking. Reproductive Effects: FIRST AID MEASURES Disorders have been produced in laboratory animals, but at Specific Measures: doses not relevant to occupational exposure. (RTECS No. Eyes: NN1400000) Immediately flush eyes with gently running water for at least Mutagenicity: fifteen (15) minutes, holding eyelids open during flushing. No information available Take care not to flush contaminated water into unaffected eye. Synergistic Products: Get medical attention. None known Skin: PREVENTIVE MEASURES IMMEDIATELY remove contaminated clothing (including Engineering Controls: watches, rings, belts, and shoes). Wash affected areas with Local exhaust ventilation required. soap and running water for at least fifteen (15) minutes. Take Respiratory Protection: care to completely clean folds, creases, groin, under Dust/mist mask. Use only in chemical fumehood. For dusty fingernails. Get medical advice. Decontaminate clothing conditions, to the maximum use specified by the respirator completely before reuse, or discard. Clothing contaminated supplier, NIOSH approved half- face high-efficiency dust/mist with oxidizing material can be dangerously and/or filter respirator, or NIOSH approved full face-piece spontaneously flammable. high-efficiency dust/mist filter respirator. Higher or unknown Inhalation: concentrations, or for fire or spill conditions, self-contained Move victim to fresh air. Give oxygen and get medical breathing apparatus, or full face-piece, positive-pressure attention for any breathing difficulty. supplied-air respirator. Ingestion: Eye Protection: If victim is alert and NOT convulsing, rinse mouth thoroughly Chemical safety goggles and/or face shield. with water, give 2 to 4 glasses of water to drink to dilute, and Skin Protection: induce vomiting under medical supervision. When vomiting Chemical resistant gloves. Other chemical resistant protective occurs, have victim lean forward with head down to avoid clothing, sleeves, apron, coverall, boots, sufficient to prevent breathing in of vomitus, rinse mouth and administer more water. contact. Avoid contact with vomitus. Obtain medical attention Other Personal Protective Equipment: immediately. Safety shower and eye-wash fountain in work area. REFERENCES USED Leak and Spill Procedure: CCINFO disc: Restrict access to area of spill. Eliminate all sources of Budavari: The Merck Index, 12th ed., 1997 ignition and remove all combustible materials from the area. Sax, Lewis: Hawley’s Condensed Chemical Dictionary, 11th Cleanup personnel must be thoroughly trained in the hazards of ed., 1987 this chemical and its safe use, and must wear protective Suppliers’ Material Safety Data Sheets equipment and clothing sufficient to prevent inhalation of dust ADDITIONAL INFORMATION or fumes, and contact with skin and eyes. Prevent from Date Issued: entering sewers and waterways. Contain spill with inert February 18, 1992 material (earth, sand, inert absorbent). Avoid generating dust; Revision: wet if necessary. Collect in suitable, labelled, covered June 2009 containers for disposal. Contaminated absorbent may pose MSDS: the same hazards as the chemical; treat with caution. Flush 7890-1 area of spill with large amounts of running water. Proposed WHMIS Designation: Waste Disposal: C; D2B Follow all federal, provincial and local regulations for disposal. Handling Procedures and Equipment: OXIDIZER, TOXIC, IRRITANT. Workers using this chemical Prepared by: Caledon Laboratories Ltd. (905) must be thoroughly trained in its hazards and its safe use, and 877-0101 Caledon Laboratories Ltd. believes the information must wear appropriate protective equipment and clothing. Keep contained herein is reliable and accurate. Caledon makes no away from combustible or organic materials, and all sources of warranty with respect thereto and expressly disclaims all

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SODIUM IODATE liability for reliance thereon. Such information is solely for your consideration, investigation, and verification.

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