SAFETY DATA SHEET Preparation Date: 9/23/2013 Revision date 10/11/2019 Revision Number: G3 1. IDENTIFICATION Product identifier Product code: S1243 Product Name: SODIUM CHLORITE, ANHYDROUS, FLAKES Other means of identification Synonyms: Chlorous acid, sodium salt CAS #: 7758-19-2 RTECS # VZ4800000 CI#: Not available Recommended use of the chemical and restrictions on use Recommended use: Bleaching agent. Water purification. Uses advised against No information available Supplier: Spectrum Chemical Mfg. Corp 14422 South San Pedro St. Gardena, CA 90248 (310) 516-8000 Order Online At: https://www.spectrumchemical.com Emergency telephone number Chemtrec 1-800-424-9300 Contact Person: Tom Tyner (USA - West Coast) Contact Person: Ibad Tirmiz (USA - East Coast) 2. HAZARDS IDENTIFICATION Classification This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Considered a dangerous substance or mixture according to the Globally Harmonized System (GHS) Acute toxicity - Oral Category 3 Acute toxicity - Dermal Category 2 Acute toxicity - Inhalation (Dusts/Mists) Category 2 Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 1 Oxidizing solids Category 2 Label elements Danger Hazard statements Fatal in contact with skin or if inhaled Toxic if swallowed Causes skin irritation Product code: S1243 Product name: SODIUM CHLORITE, Page 1 / 15 ANHYDROUS, FLAKES Causes serious eye damage May intensify fire; oxidizer Hazards not otherwise classified (HNOC) Not Applicable Other hazards Very toxic to aquatic life with long lasting effects Precautionary Statements - Prevention Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Do not get in eyes, on skin, or on clothing Do not breathe dust Use only outdoors or in a well-ventilated area Wear respiratory protection Keep away from heat/sparks/open flames/hot surfaces. — No smoking Keep/Store away from clothing and other combustible materials Take any precaution to avoid mixing with combustibles Precautionary Statements - Response IN CASE OF FIRE: Use water to extinguish. Do not use dry chemicals or foams. CO2 or Halon may provide limited control. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or physician. IF ON SKIN: Gently wash with plenty of soap and water Immediately call a POISON CENTER or physician Take off immediately all contaminated clothing Wash contaminated clothing before reuse If skin irritation occurs: Get medical attention IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or physician. IF SWALLOWED: Immediately call a POISON CENTER or physician Rinse mouth Precautionary Statements - Storage Store locked up Store in a well-ventilated place. Keep container tightly closed Precautionary Statements - Disposal Dispose of contents and container to an approved waste disposal plant in accordance with local, regional, national and international regulations as applicable 3. COMPOSITION/INFORMATION ON INGREDIENTS Component CAS No Weight-% Product code: S1243 Product name: SODIUM CHLORITE, Page 2 / 15 ANHYDROUS, FLAKES Sodium Chlorite 7758-19-2 77.5-82.5 Sodium Chloride 7647-14-5 5-19 Water 7732-18-5 1-5 4. FIRST AID MEASURES First aid measures General Advice: National Capital Poison Center in the United States can provide assistance if you have a poison emergency and need to talk to a poison specialist. Call 1-800-222-1222. First aider needs to protect himself. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Skin Contact: Wash off immediately with soap and plenty of water removing all contaminated clothing and shoes. Get medical attention. If skin irritation persists, call a physician. Eye Contact: Flush eyes with water for 15 minutes. Get medical attention. Inhalation: Move to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Immediate medical attention is required. WARNING! It may be hazardous to the person providing aid to give mouth-to-mouth resuscitation when the inhaled or ingested material is toxic, infectious or corrosive. Do not use mouth-to-mouth resuscitation if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Ingestion: Toxic if swallowed. Do not induce vomiting without medical advice. Never give anything by mouth to an unconscious person. Immediate medical attention is required. Call a physician or Poison Control Center immediately. Most important symptoms and effects, both acute and delayed Symptoms Severe eye irritation Causes serious eye damage Causes skin irritation Central nervous system effects May cause irritation of respiratory tract Nosebleeds Sore throat Coughing Dyspnea (Difficulty breathing and shortness of breath) May cause build-up of fluid in the lungs (pulmonary edema) May cause methemoglobinemia and cyanosis Indication of any immediate medical attention and special treatment needed Notes to Physician: Treat symptomatically. Protection of first-aiders First-Aid Providers: Avoid exposure to blood or body fluids. Wear gloves and other necessary protective clothing. Dispose of contaminated clothing and equipment as bio-hazardous waste. 5. FIRE-FIGHTING MEASURES Extinguishing Media Suitable Extinguishing Media: Water. CO2 may be of no value in extinguishing fires involving oxidizers and may only provide limited control. Unsuitable Extinguishing Media: Dry chemical. Foam. Halons. Product code: S1243 Product name: SODIUM CHLORITE, Page 3 / 15 ANHYDROUS, FLAKES Specific hazards arising from the chemical Hazardous combustion products Chlorine, sodium oxides, oxygen Hazardous combustion products If it is involved in a fire the following can be released:. Chlorine gas. Sodium oxides. Oxygen. Specific hazards Oxidizer. Keep away from combustible materials (wood, paper, oil, clothing, etc.). The product is not flammable, but it may cause fire when in contact with other material. Contact with combustible or organic materials may cause fire. Will accelerate burning when involved in a fire. Container explosion may occur under fire conditions or when heated. Special Protective Actions for Firefighters Specific Methods: No information available Special Protective Equipment for Firefighters: As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear 6. ACCIDENTAL RELEASE MEASURES Personal precautions, protective equipment and emergency procedures Personal Precautions: Keep people away from and upwind of spill/leak. Ensure adequate ventilation. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Use personal protective equipment. Avoid contact with skin, eyes and clothing. Avoid dust formation. Remove all sources of ignition. Keep combustibles (wood, paper, oil, clothing, etc.) away from spilled material. Environmental precautions Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Prevent entry into waterways, sewers. Methods and material for containment and cleaning up Methods for containment Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Methods for cleaning up Use appropriate tools to put the spilled material in a suitable chemical waste disposal container. Shovel into suitable container for disposal. Clean contaminated surface thoroughly. Do not use combustible materials such as paper towels, sawdust, clothing, etc. to clean up spill. 7. HANDLING AND STORAGE Precautions for safe handling Technical Measures/Precautions: Provide sufficient air exchange and/or exhaust in work rooms. Avoid dust formation. Keep away from incompatible materials. Safe Handling Advice: Wear personal protective equipment. Avoid contact with skin, eyes and clothing. Keep away from combustible material. Do not ingest. Do not breathe dust. Handle in accordance with good industrial hygiene and safety practice. Product code: S1243 Product name: SODIUM CHLORITE, Page 4 / 15 ANHYDROUS, FLAKES Conditions for safe storage, including any incompatibilities Technical Measures/Storage Conditions: Keep container tightly closed in a dry and well-ventilated place. Store at room temperature in the original container. Store in a segregated and approved area. Do not store near combustible materials. Protect from moisture. Hygroscopic. Store away from incompatible materials. Incompatible Materials: Reducing agents Combustible materials Organic materials Acids Sulfur compounds Phosphorus Zinc Ammonia Amines Sulfur Sodium dithionate Powdered metals thiocyanates Oxalic acid 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Control parameters National occupational exposure limits United States Component CAS No OSHA NIOSH ACGIH AIHA WEEL Sodium Chlorite 7758-19-2 None None None None Sodium Chloride 7647-14-5 None None None None Water 7732-18-5 None None None None Canada Component CAS No Canada - Alberta Canada - British Canada - Ontario Canada - Quebec Columbia Sodium Chlorite 7758-19-2 None None None None Sodium Chloride 7647-14-5 None None None None Water 7732-18-5 None None None None Australia and Mexico Component CAS No Australia Mexico Sodium Chlorite 7758-19-2 None None Sodium Chloride 7647-14-5