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Product Name: Potassium Phosphate Dibasic Trihydrate
Chemical Formula: K2HPO4·3H2O
Synonyms: Dipotassium Hydrogen Phosphate Trihydrate, Potassium Hydrogen Phosphate, Dipotassium Orthophosphate Trihydrate
Recommended Use: Laboratory reagent, buffer, food additive, fertilizer
Manufacturer: Manufacturer name, address, and emergency contact details
CAS Number: 16788-57-1
Emergency Phone: Specific contact number for spills or exposure incidents
UN Number: Not applicable (not classified as hazardous for transport in most regions)
GHS Classification: Not classified as hazardous under GHS standards
Physical Hazards: None expected under normal handling
Health Hazards: May cause mild eye or skin irritation, inhalation may cause slight respiratory irritation
Environmental Hazards: Large quantities can disrupt the balance of aquatic environments
Label Elements: No pictogram, signal word, or hazard statements required under GHS
Chemical Name: Dipotassium Hydrogen Phosphate
Common Name: Potassium Phosphate Dibasic Trihydrate
Concentration: >99%
Chemical Formula: K2HPO4·3H2O
CAS Number: 16788-57-1
Other Components: Trace levels of impurities which do not present a hazard
Inhalation: Move person to fresh air, seek medical attention for persistent discomfort
Skin Contact: Remove contaminated clothing, wash affected area with soap and water
Eye Contact: Rinse with running water for several minutes, seek attention if irritation remains
Ingestion: Rinse mouth thoroughly with water, do not induce vomiting, consult medical provider if symptoms develop
Important Symptoms: Mild irritation of eyes, skin, or throat
Notes to Physician: Treat symptomatically; no specific antidote required
Suitable Extinguishing Media: Use media suitable for surrounding fire, material does not burn
Unsuitable Extinguishing Media: None specifically identified
Hazards from Combustion Products: Decomposition at high heat produces potassium oxides and phosphorus oxides
Protective Equipment: Firefighters should use standard protective gear, wear a self-contained breathing apparatus in case of corrosive gases
Special Precautions: Cool containers with water spray, prevent runoff from entering drains or waterways
Personal Precautions: Use personal protective equipment to avoid dust formation
Methods for Cleanup: Sweep up spilled product carefully, avoid raising dust, transfer to suitable container
Environmental Precautions: Avoid drainage to natural waters, ditches, or sewers
Disposal: Gather residues and dispose as per disposal section below, clean area with water to remove traces
Reporting: Report large releases to local authorities if contamination may occur
Handling: Use with adequate ventilation, avoid inhalation of dust and contact with eyes
Hygiene: Wash hands after handling, do not eat or drink near work areas
Storage: Store in a cool, dry area, keep tightly closed in original packaging
Incompatible Materials: Store away from acids and oxidizers
Packaging Materials: Use containers made from compatible plastic or glass
Occupational Exposure Limits: Not established by OSHA, NIOSH, or ACGIH
Engineering Controls: Use general or local exhaust ventilation to minimize dust exposure
Personal Protective Equipment: Use safety goggles and gloves to prevent skin and eye contact, dust respirator in high-concentration areas
Other Controls: Eye wash stations and safety showers recommended in storage or handling zones
Appearance: White crystalline or granular solid
Odor: Odorless
Melting Point: Decomposes above 204°C (399°F)
Boiling Point: Not applicable (decomposes before boiling)
Solubility: Soluble in water, insoluble in alcohol
Vapor Pressure: Not relevant
pH (1% solution): Approximately 9.0 at 20°C
Density: Around 2.4 g/cm³
Molecular Weight: 228.22 g/mol
Evaporation Rate: Not applicable
Partition Coefficient (n-octanol/water): Not determined
Stability: Stable under normal conditions of storage and transport
Incompatible Materials: Reacts with strong acids to form phosphoric acid, avoid strong oxidizers
Hazardous Products of Decomposition: Produces potassium oxides and phosphorus oxides at high temperatures
Hazardous Reactions: No known hazardous polymerization or reactions
Conditions to Avoid: Exposure to moisture, very high temperatures, and contact with acids
Acute Toxicity: Not classified as acutely toxic by oral, dermal, or inhalation exposure
Skin Corrosion/Irritation: May cause irritation with prolonged or repeated contact
Serious Eye Damage/Irritation: Dust can be irritating, flushing with water recommended
Respiratory Sensitization: No data suggesting sensitization
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, OSHA
Mutagenicity or Reproductive Toxicity: Insufficient evidence for mutagenic or reproductive hazards in humans
Chronic Effects: Long-term, repeated exposure may affect electrolyte balance in extreme cases
Ecotoxicity: Large releases can stimulate excessive algae growth in water systems
Persistence and Degradability: Inorganic compound, not biodegradable
Bioaccumulative Potential: Low; not expected to bioaccumulate in organisms
Mobility in Soil: Highly soluble, can move through soil to groundwater
Other Adverse Effects: Enrichment of phosphate in aquatic systems may damage local ecosystems
Waste Treatment Methods: Handle waste according to local, regional, and national regulations
Disposal of Product: Dissolve in water and flush to drain in small amounts with plenty of water where permitted
Contaminated Packaging: Dispose of as unused product, rinse containers thoroughly
Environmental Precautions: Prevent entry into waterways, soil, or drains where possible
Recycling: Recycle containers if possible and permitted by regulations
UN Number: Not applicable
Transport Hazard Class: Not classified as dangerous for transport by road, rail, sea, or air
Packing Group: Not assigned
Proper Shipping Name: Potassium Phosphate Dibasic Trihydrate
Special Precautions: Avoid release of dust in transport, prevent moisture contact
Regulations: Does not appear on major hazardous chemical lists in the US or EU
TSCA Status: Listed on the Toxic Substances Control Act inventory
REACH Registration: Exempted or registered as a substance in the European Union
OSHA Classification: Not considered hazardous
SARA 313: Not listed as a reportable toxic chemical
Other Regulations: Complies with food additive standards in regulated uses, meets EC and local hazard communication standards
Workplace Labeling: Clearly indicate name and hazard information in workplace settings
