Material Safety Data Sheet NFPA HMIS Personal Protective Equipment 1 Health Hazard Fire Hazard 1 See Section 15. Section 1. Chemical Product and Company Identification Common Name/ Trade Name Manufacturer Commercial Name(s) Synonym Chemical Name Potassium phosphate monobasic SPECTRUM LABORATORY PRODUCTS INC. 14422 S. SAN PEDRO STREET GARDENA, CA 9248 Monopotassium Phosphate; Potassium Dihydrogen Phosphate; Phosphoric Acid, Monopotassium salt Potassium Phosphate Monobasic Catalog Number(s). CAS# RTECS TSCA CI# XX749, XX63, P138, P1381, P1382, P1384, PO2 7778-77- TC66155 IN CASE OF EMERGENCY CHEMTREC (24hr) 8-424-93 Page Number: 1 TSCA 8(b) inventory: Potassium phosphate monobasic Chemical Family Chemical Formula Supplier KH2PO4 SPECTRUM LABORATORY PRODUCTS INC. 14422 S. SAN PEDRO STREET GARDENA, CA 9248 CALL (31) 516-8 Section 2.Composition and Information on Ingredients Name CAS # Exposure Limits TWA (mg/m 3 ) STEL (mg/m 3 ) CEIL (mg/m 3 ) % by Weight 1) Potassium phosphate monobasic 7778-77- 1 Toxicological Data on Ingredients Section 3. Hazards Identification Potential Acute Health Effects Potential Chronic Health Effects Hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation. Slightly hazardous in case of skin contact (permeator). CARCINOGENIC EFFECTS: MUTAGENIC EFFECTS: TERATOGENIC EFFECTS: DEVELOPMENTAL TOXICITY: Repeated or prolonged exposure is not known to aggravate medical condition.
Potassium phosphate monobasic Page Number: 2 Section 4. First Aid Measures Eye Contact Skin Contact Serious Skin Contact Inhalation Serious Inhalation Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention. In case of contact, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Remove contaminated clothing and shoes. Cold water may be used.wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention. Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek medical attention. If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. Ingestion Serious Ingestion Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt or waistband. Section 5. Fire and Explosion Data Flammability of the Product Auto-Ignition Temperature Flash Points Flammable Limits Products of Combustion Fire Hazards in Presence of Various Substances Non-flammable. Explosion Hazards in Presence of Various Substances Risks of explosion of the product in presence of mechanical impact: Risks of explosion of the product in presence of static discharge: Fire Fighting Media and Instructions Fire Hazards Explosion Hazards Section 6. Accidental Release Measures Small Spill Large Spill Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority requirements. Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system.
Potassium phosphate monobasic Page Number: 3 Section 7. Handling and Storage Precautions Storage Do not ingest. Do not breathe dust. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes. Keep away from incompatibles such as alkalis. Keep container tightly closed. Keep container in a cool, well-ventilated area. Section 8. Exposure Controls/Personal Protection Engineering Controls Personal Protection Personal Protection in Case of a Large Spill Exposure Limits Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit. Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves. Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product. Section 9. Physical and Chemical Properties Physical state and appearance Solid. (Crystals solid. Granular powder solid. ) Odor Odorless. Molecular Weight ph (1% soln/water) 136.9 g/mole 4.5 [Acidic.] in a 5% soln/water Taste Color White. Boiling Point Melting Point 253 C (487.4 F) Critical Temperature Specific Gravity 2.34 (Water = 1) Vapor Pressure Vapor Density Volatility Odor Threshold Water/Oil Dist. Coeff. Ionicity (in Water) Dispersion Properties See solubility in water. Solubility Soluble in cold water. Insoluble in alcohol Section 1. Stability and Data Stability Instability Temperature Conditions of Instability Incompatibility with various substances Corrosivity The product is stable. Incompatible materials Reactive with alkalis. Non-corrosive in presence of glass.
Potassium phosphate monobasic Page Number: 4 Corrosivity Polymerization Loses water at 4 deg. C, forming metaphosphate. Incompatible with strong bases. Will not occur. Section 11. Toxicological Information Routes of Entry Toxicity to Animals Chronic Effects on Humans Other Toxic Effects on Humans Toxicity to Animals Chronic Effects on Humans other Toxic Effects on Humans Absorbed through skin. Inhalation. Ingestion. Acute dermal toxicity (LD5): >464 mg/kg [Rabbit]. Hazardous in case of skin contact (irritant), of ingestion, of inhalation. Slightly hazardous in case of skin contact (permeator). Lowest Published Lethal Dose: LDL [Rat] - Route: Oral; Dose: 464 mg/kg Acute Potential Health Effects: Skin: May cause skin irritation. Risk of skin absorption is slight. Eyes: Dust may cause eye irritation. Inhalation: Inhalation may cause respiratory tract irritation, coughing and choking. Ingestion: Ingestion of large amounts may cause nausea, vomiting, abdominal discomfort (cramps), diarrhea. Also, symptoms of potassium poisoning may occur, which may include slow heartbeat, peripheral vascular collapse with fall in blood pressure, cardiac arrythmias, heart block, accelerated breathing, and muscle weakness, heaviness of the legs, flaccid paralysis, cold skin, gray pallor,. May affect behavior (listlessness, mental confusion),. Chronic Potential Health Effects: Dermatits may develop from repeated or prolonged skin contact. Section 12. Ecological Information Ecotoxicity BOD5 and COD Products of Biodegradation Toxicity of the Products of Biodegradation the Products of Biodegradation Possibly hazardous short term degradation products are not likely. However, long term degradation products may arise. The product itself and its products of degradation are not toxic. Section 13. Disposal Considerations Waste Disposal Waste must be disposed of in accordance with federal, state and local environmental control regulations.
Potassium phosphate monobasic Page Number: 5 Section 14. Transport Information DOT Classification Not a DOT controlled material (United States). Identification Special Provisions for Transport DOT Section 15. Other Regulatory Information and Pictograms Federal and State Regulations California Proposition 65 Warnings Other Regulations TSCA 8(b) inventory: Potassium phosphate monobasic California prop. 65: This product contains the following ingredients for which the State of California has found to cause cancer which would require a warning under the statute: No products were found. California prop. 65: This product contains the following ingredients for which the State of California has found to cause birth defects which would require a warning under the statute: No products were found. EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances. Other Classifications WHMIS (Canada) Not controlled under WHMIS (Canada). DSCL (EEC) This product is not classified according to the EU regulations. HMIS (U.S.A.) Health Hazard Fire Hazard Personal Protection 1 E National Fire Protection Association (U.S.A.) Health 1 Flammability Specific hazard WHMIS (Canada) DSCL (Europe) TDG (Canada) ADR (Europe)
Potassium phosphate monobasic Page Number: 6 Protective Equipment Gloves. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Splash goggles. Section 16. Other Information MSDS Code References Other Special Considerations P448 Validated by Sonia Owen on 8/11/26. Verified by Sonia Owen. Printed 9/13/26. CALL (31) 516-8 Notice to Reader All chemicals may pose unknown hazards and should be used with caution. This Material Safety Data Sheet (MSDS) applies only to the material as packaged. If this product is combined with other materials, deteriorates, or becomes contaminated, it may pose hazards not mentioned in this MSDS. It shall be the user's responsibility to develop proper methods of handling and personal protection based on the actual conditions of use. While this MSDS is based on technical data judged to be reliable, Spectrum Quality Products, Inc. assumes no responsibility for the completeness or accuracy of the information contained herein.