MATERIAL SAFETY DATA SHEET 1 Product and Company Identification Product Name Sulfate of Potash CAS # 7778-8-5 Product use Manufacturer Great Salt Lake Minerals Corporation A Compass Minerals Company 99 West 19th Street, Suite 1 Overland Park, KS 6621 US Phone: 913-344-92 CHEMTREC 1-8-424-93 CANUTEC 1-613-996-6666 Emergency overview Potential short term health effects Routes of exposure Eyes Skin Target organs Chronic effects Signs and symptoms Specialty crop nutrient, turf grass fertilizer, general fertilizer uses, and specialty industrial uses 2 Hazards Identification Contact may cause eye and skin irritation Eye, Skin contact,, May cause irritation May cause irritation Dusts of this product may cause irritation of the nose, throat, and respiratory tract May cause stomach distress, nausea or vomiting Eyes Skin Respiratory system Prolonged or repeated exposure can cause drying, defatting and dermatitis Symptoms may include redness, edema, drying, defatting and cracking of the skin Symptoms of overexposure may be headache, dizziness, tiredness, nausea and vomiting OSHA Regulatory Status This product is NOT known to be a "Hazardous Chemical" as defined by the OSHA Hazard Communication Standard, 29 CFR 19112 Potential environmental effects See section 12 3 Composition / Information on Ingredients CAS # Percent 7778-8-5 99-1 First aid procedures Eye contact Skin contact tes to physician General advice 4 First Aid Measures Flush with cool water Remove contact lenses, if applicable, and continue flushing Obtain medical attention if irritation persists Brush away excess of dry material Flush with cool water Wash with soap and water Obtain medical attention if irritation persists If symptoms develop move victim to fresh air If symptoms persist, obtain medical attention Do not induce vomiting Never give anything by mouth if victim is unconscious, or is convulsing Obtain medical attention Symptoms may be delayed If you feel unwell, seek medical advice (show the label where possible) Ensure that medical personnel are aware of the material(s) involved, and take precautions to protect themselves Show this safety data sheet to the doctor in attendance Avoid contact with eyes and skin Keep out of reach of children #1562 Page 1 of 5
5 Fire Fighting Measures Flammable properties t flammable by WHMIS/OSHA criteria Extinguishing media Suitable extinguishing media Treat for surrounding material Unsuitable extinguishing media Protection of firefighters Specific hazards arising from the chemical Protective equipment for firefighters Hazardous combustion products Explosion data Sensitivity to mechanical impact Sensitivity to static discharge Firefighters should wear full protective clothing including self contained breathing apparatus May include and are not limited to: Oxides of sulphur 6 Accidental Release Measures Personal precautions Environmental precautions Methods for containment Methods for cleaning up Handling Storage Exposure limits Engineering controls Keep unnecessary personnel away Do not touch or walk through spilled material Do not touch damaged containers or spilled material unless wearing appropriate protective clothing Keep people away from and upwind of spill/leak Prevent further leakage or spillage if safe to do so Prevent entry into waterways, sewers, basements or confined areas Before attempting clean up, refer to hazard data given above Use broom or dry vacuum to collect material for proper disposal without raising dust Rinse area with water Prevent large spills from entering sewers or waterways Contact emergency services and supplier for advice 7 Handling and Storage Use good industrial hygiene practices in handling this material Avoid breathing dust Wash thoroughly after handling Keep out of reach of children Store in a closed container away from incompatible materials 8 Exposure Controls / Personal Protection Exposure Limits ACGIH-TLV t established OSHA-PEL t established TWA PEL: specific limits have been established for potassium sulfate (a soluble substance) As a guideline, OSHA (United States) has established the following limits which are generally recognized for inert or nuisance dust Particulates t Otherwise Regulated (PNOR): 5mg/cum Respirable Dust 8-Hour TWA PEL, 15mg/cum Total Dust 8-Hour TWA PEL TWA TLV: specific limits have been established for potassium sulfate (a soluble substance) As a guideline, ACGIH (United States) has established the following limits which are generally recognized for inert or nuisance dust Particulates (insolubles) t Otherwise Classified (PNOC): 1mg/cum Inhalable Particulate 8-Hours TWA TLV, 3mg/cum Respirable Particulate TWA TLV Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits #1562 Page 2 of 5
Personal protective equipment Eye / face protection Hand protection Skin and body protection Wear safety glasses with side shields Rubber gloves Confirm with a reputable supplier first As required by employer code Respiratory protection Where exposure guideline levels may be exceeded, use an approved NIOSH respirator or NIOSH-approved filtering facepiece General hygiene considerations Handle in accordance with good industrial hygiene and safety practice When using do not eat or drink Wash hands before breaks and immediately after handling the product Appearance Color Form Odor Odor threshold Physical state ph Melting point Freezing point Boiling point Pour point Evaporation rate Flash point Auto-ignition temperature Flammability limits in air, lower, % by volume Flammability limits in air, upper, % by volume Vapor pressure Vapor density 9 Physical and Chemical Properties Solid white to brown Crystals or Granular Odorless Solid 7 (1% solution) 19562 F (169 C) 19526 F (167 C) 3722 F (1689 C) ne t applicable t applicable Specific gravity 266 @21 C (H2O = 1) Relative density Octanol/water coefficient Solubility (H2O) Percent volatile 2662 g/cm3 Appreciable Molecular weight 17427 Molecular formula Reactivity Possibility of hazardous reactions Chemical stability Conditions to avoid Incompatible materials K2SO4 1 Stability and Reactivity ne known Hazardous polymerization does not occur Stable under recommended storage conditions Do not mix with other chemicals Magnesium Aluminum Hazardous decomposition products May include and are not limited to: Oxides of sulphur 11 Toxicological Information Component analysis - LC5 LC5 #1562 Page 3 of 5
Component analysis - Oral LD5 Effects of acute exposure Eye Skin Sensitization Chronic effects Carcinogenicity Mutagenicity Reproductive effects Teratogenicity Name of Toxicologically Synergistic Products LD5 66 mg/kg rat May cause irritation May cause irritation Dusts of this product may cause irritation of the nose, throat, and respiratory tract May cause stomach distress, nausea or vomiting n-hazardous by WHMIS/OSHA criteria n-hazardous by WHMIS/OSHA criteria t classified or listed by IARC, NTP, OSHA and ACGIH n-hazardous by WHMIS/OSHA criteria n-hazardous by WHMIS/OSHA criteria n-hazardous by WHMIS/OSHA criteria 12 Ecological Information Ecotoxicity See below Ecotoxicity - Freshwater Algae - Acute Toxicity Data 7778-8-5 72 Hr EC5 Desmodesmus subspicatus: 29 mg/l Ecotoxicity - Freshwater Fish - Acute Toxicity Data 7778-8-5 96 Hr LC5 Lepomis macrochirus: 653 mg/l; 96 Hr LC5 Lepomis macrochirus: 355 mg/l [static]; 96 Hr LC5 Pimephales promelas: 51-88 mg/l [static] Ecotoxicity - Water Flea - Acute Toxicity Data 7778-8-5 48 Hr EC5 Daphnia magna: 89 mg/l Persistence / degradability Bioaccumulation / accumulation Mobility in environmental media Environmental effects Aquatic toxicity Partition coefficient Chemical fate information Other adverse effects 13 Disposal Considerations Disposal instructions Waste from residues / unused products Contaminated packaging Waste must be disposed of in accordance with federal, state/provincial and local environmental control regulations 14 Transport Information US Department of Transportation (DOT) t regulated as dangerous goods Transportation of Dangerous Goods (TDG - Canada) t regulated as dangerous goods Canadian federal regulations WHMIS status 15 Regulatory Information This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the MSDS contains all the information required by the Controlled Products Regulations t Controlled #1562 Page 4 of 5
Occupational Safety and Health Administration (OSHA) 29 CFR 19112 hazardous chemical US Federal regulations This product is NOT known to be a "Hazardous Chemical" as defined by the OSHA Hazard Communication Standard, 29 CFR 19112 CERCLA (Superfund) reportable quantity ne Superfund Amendments and Reauthorization Act of 1986 (SARA) Hazard categories Immediate Hazard - Delayed Hazard - Fire Hazard - Pressure Hazard - Reactivity Hazard - Section 32 extremely hazardous substance Section 311 hazardous chemical Clean Air Act (CAA) Clean Water Act (CWA) State regulations WARNING: This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm Inventory name Country(s) or region Inventory name On inventory (yes/no)* Canada Domestic Substances List (DSL) Yes Canada n-domestic Substances List (NDSL) United States & Puerto Rico Toxic Substances Control Act (TSCA) Inventory Yes A "Yes" indicates that all components of this product comply with the inventory requirements administered by the governing country(s) Severe Serious Moderate Slight Minimal LEGEND HMIS/NFPA Disclaimer Effective date Expiry date 4 3 2 1 Health 16 Other Information Flammability Physical Hazard Personal Protection / 1 B 1 Information contained herein was obtained from sources considered technically accurate and reliable While every effort has been made to ensure full disclosure of product hazards, in some cases data is not available and is so stated Since conditions of actual product use are beyond control of the supplier, it is assumed that users of this material have been fully trained according to the requirements of all applicable legislation and regulatory instruments warranty, expressed or implied, is made and supplier will not be liable for any losses, injuries or consequential damages which may result from the use of or reliance on any information contained in this document 1-Mar-212 1-Mar-215 Prepared by Dell Tech Laboratories Ltd (519) 858-521 Other information This MSDS conforms to the ANSI Z41/Z1291-21 Standard #1562 Page 5 of 5