Product Name: Sodium Dihydrogen Phosphate
Chemical Formula: NaH2PO4
Synonyms: Monosodium Phosphate, MSP
CAS Number: 7558-80-7
Recommended Uses: Buffer solution component, food additive, water treatment, detergent manufacturing, laboratory reagent
Supplier Information: [Insert manufacturer/supplier details including address, phone number, emergency contact]
Classification: Not classified as hazardous by GHS criteria; low acute toxicity
Main Hazards: Eye and skin irritation on contact, possible irritation to respiratory system if dust is inhaled
Pictograms: None
Signal Word: None
Hazard Statements: May cause slight irritation to skin, eyes, and respiratory tract; risk of irritation increases with exposure levels; not flammable or combustible
Precautionary Statements: Avoid creating dust, use with adequate ventilation, wash exposed areas after handling
Chemical: Sodium Dihydrogen Phosphate
Concentration: ≥98% by weight
CAS Number: 7558-80-7
Impurities: May contain trace amounts of other sodium phosphates or water
Eye Contact: Rinse with plenty of water for at least 15 minutes, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water
Inhalation: Move to fresh air, keep at rest, seek medical attention if symptoms develop or persist
Ingestion: Rinse mouth, give water to drink if conscious, do not induce vomiting, obtain medical attention if feeling unwell
Suitable Extinguishing Media: Use extinguishing methods appropriate for surrounding materials; water spray, dry chemical, foam, carbon dioxide
Hazardous Combustion Products: May emit sodium oxides and phosphorus oxides when heated to decomposition
Protective Equipment: Standard firefighting gear, positive pressure self-contained breathing apparatus recommended for significant fires
Explosion Hazard: Product does not support combustion, not explosive, dust may cause mechanical irritation
Personal Precautions: Wear proper protective gear such as gloves, goggles, dust mask to prevent inhalation and contact
Environmental Precautions: Prevent spillage from entering drains, water courses, or soil
Cleanup Methods: Sweep up dry material, avoid generating dust, place in appropriate labeled containers for disposal, ventilate area
Handling: Minimize dust generation and accumulation, avoid inhaling dry material, use only in well-ventilated areas; wash hands thoroughly after use
Storage Conditions: Store in tightly closed containers in a cool, dry, well-ventilated place, away from moisture, strong acids, bases, and oxidizers
Incompatible Materials: Strong acids, magnesium, aluminum, strong bases, alkali metals
Exposure Limits: No specific occupational exposure limit established, general dust exposure limits apply (total dust: 10 mg/m³, respirable fraction: 3 mg/m³ recommended)
Engineering Controls: Use local exhaust ventilation to reduce airborne dust
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, dust mask or respirator for high-dust conditions, protective clothing
Hygiene Measures: Wash hands and face before eating, drinking, or smoking; launder contaminated clothing before reuse
Appearance: White, crystalline powder
Odor: Odorless
pH (5% solution): 4.4–4.6
Melting Point: Decomposes above 200°C
Solubility: Readily soluble in water; insoluble in ethanol
Boiling Point: Not applicable (decomposes)
Density: 2.04 g/cm³
Molecular Weight: 119.98 g/mol
Chemical Stability: Stable under normal storage and handling conditions; absorbs moisture from air
Reactivity: Reacts with strong acids yielding phosphoric acid; may react with strong oxidizers
Conditions to Avoid: Excess humidity, contact with incompatible materials, overheating
Decomposition Products: Produces sodium oxides and phosphorus oxides when exposed to extreme temperatures
Acute Toxicity: Oral LD50 (rat) > 17,000 mg/kg, low systemic toxicity
Skin Irritation: Mild irritant to skin on prolonged or repeated exposure
Eye Irritation: May cause irritation, redness, tearing
Inhalation: Dust may irritate respiratory tract; symptoms: coughing, sore throat
Chronic Effects: No evidence of chronic toxicity based on available data
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, or OSHA
Aquatic Toxicity: Low toxicity to aquatic life, but large quantities may contribute to eutrophication in water bodies
Persistence and Degradability: Inorganic compound; dissociates in water into sodium and phosphate ions
Mobility in Soil: High mobility, potential for leaching depending on local soil conditions
Bioaccumulation: Not expected to bioaccumulate
Environmental Impact: Release should be avoided to minimize nutrient loading in aquatic environments
Waste Disposal: Dispose as non-hazardous chemical waste in accordance with local, regional, or national regulations
Methods: Landfill or incineration at permitted facility; avoid discharge to surface water or sewage
Contaminated Packaging: Clean and recycle containers if possible; send to approved landfill if recycling is not feasible
UN Number: Not regulated for transport
Proper Shipping Name: Not dangerous goods
Transportation Hazards: No specific hazards under normal transport
Packing Group: Not applicable
Special Precautions: Protect packages from moisture during transport and storage
OSHA: Not considered hazardous under OSHA Hazard Communication Standard
TSCA: Listed in United States TSCA inventory
WHMIS (Canada): Not controlled
EINECS: Listed (231-449-2)
California Proposition 65: Not listed
REACH: Registered and pre-registered substances per EU requirements
Other Regulations: Follow all applicable guidelines for safe chemical handling and storage in your jurisdiction
