Product Name: Trisodium Phosphate Industrial Grade TSP
Chemical Name: Trisodium Phosphate
Synonyms: Sodium phosphate tribasic, TSP, Phosphoric acid trisodium salt
Chemical Formula: Na3PO4
CAS Number: 7601-54-9
Recommended Use: Cleaning agent, water softener, stain remover, builder in detergents, degreaser
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Hazard Classification: Eye damage, skin irritation, possible respiratory tract irritation
Label Elements: Danger, Corrosive pictogram
Signal Word: Danger
Hazard Statements: Causes severe skin burns and serious eye damage, may cause respiratory irritation, may harm aquatic life if released in large quantities
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, use only outdoors or in well-ventilated area, wear protective gloves, protective clothing, eye and face protection, avoid release into the environment
Chemical: Trisodium Phosphate
Concentration: 95-100%
CAS Number: 7601-54-9
Other components: May include small amounts of water of hydration
Inhalation: Move person to fresh air, keep at rest in a comfortable position for breathing, medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, seek medical care for persistent irritation or burns
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, immediate medical attention, burns may cause irreparable harm
Ingestion: Rinse mouth thoroughly, drink water, do not induce vomiting, call physician or poison control center right away
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Media: None known for this product
Specific Hazards: Product itself is non-combustible, but irritant or toxic fumes (phosphorus oxides, sodium oxides) can develop during fire conditions
Protective Equipment: Firefighters use self-contained breathing apparatus and protective gear
Other Instructions: Avoid inhalation of dust, suppress dust with water spray if possible
Personal Precautions: Wear protective equipment such as goggles, gloves, suitable dust mask, prevent skin and eye contact
Environmental Precautions: Prevent product from entering drains, surface or groundwater, advise authorities if accidental release pollutes water
Containment: Sweep up to avoid creating dust, scoop into labeled containers for proper disposal
Cleaning Methods: Wash spill area with water after material collection, avoid raising dust in cleanup process
Handling: Use in areas with good ventilation, avoid creating dust, avoid breathing dust, wash hands after handling, never mix with acids, store away from incompatible materials
Storage: Store in tightly closed containers in a cool, dry place out of direct sunlight, keep away from moisture and incompatible substances, segregate from acids and oxidizers
Other Instructions: Keep container clearly labeled, lock up if possible to prevent unauthorized access
Occupational Exposure Limits: No established OSHA or ACGIH limits, handle as a nuisance particulate material
Engineering Controls: Local exhaust, ensure adequate ventilation, use dust collection systems in bulk operations
Personal Protective Equipment (PPE): Eyes: chemical safety goggles; Hands: chemical-resistant gloves; Skin: coveralls or appropriate protective clothing; Respiratory: approved dust mask or respirator if airborne dust exceeds safe levels
Hygiene Measures: Wash hands and face before eating, drinking, or leaving work area, remove contaminated clothing immediately
Appearance: White granular or crystalline solid
Odor: Odorless
Odor Threshold: Not applicable
pH: 11.5-12.5 (1% solution in water)
Melting Point/Freezing Point: > 100°C (decomposes before melting)
Boiling Point/Range: Not applicable (decomposes)
Solubility: Soluble in water, slight hydrolysis
Vapor Pressure: Not applicable
Density: 2.54 g/cm³
Partition Coefficient: Not determined
Flash Point: Not flammable
Evaporation Rate: Not applicable
Auto-ignition Temperature: Not applicable
Other Information: Will absorb moisture from air and become cakey or hard over time
Chemical Stability: Stable under normal conditions
Incompatible Materials: Acids (liberates toxic gases), aluminum and other light metals (corrosive), ammonium salts, oxidizing agents
Hazardous Decomposition Products: Phosphorus oxides, sodium oxides, possibly toxic vapors
Conditions to Avoid: Contact with acids, moisture, excessive heat
Reactivity: Reacts with strong acids to form phosphoric acid and sodium salts, heat generation possible
Acute Toxicity: Oral LD50 (rat) = 7,400 mg/kg, low toxicity by ingestion
Skin Corrosion/Irritation: Strongly irritating or corrosive, may produce burns on prolonged contact
Serious Eye Damage/Irritation: Causes permanent eye injury, corneal damage possible
Respiratory Sensitization: Dust may temporarily irritate nose and throat
Chronic Effects: Long-term, repeated exposure may cause eczema or skin inflammation, asthma in sensitized individuals
Other Data: Not classified as carcinogen by IARC or NTP; no evidence of mutagenicity or reproductive toxicity
Aquatic Toxicity: Harmful to aquatic organisms in large releases (can raise pH and impact flora and fauna)
Biodegradability: Not biodegradable as it is an inorganic salt
Mobility in Soil: Will leach into soil and may alter soil pH
Persistence and Degradability: Persistent in environment without degradation
Bioaccumulation: Not expected due to high water solubility and ionic character
Other Effects: Excess phosphate may promote unwanted algae growth in water bodies (eutrophication)
Waste Treatment Methods: Collect and place material in sealed containers for proper disposal
Disposal of Product: Dispose according to local, regional, and national regulations
Disposal of Packaging: Use empty packaging as hazardous waste, do not reuse unless thoroughly cleaned
Environmental Precautions: Do not dump in drains, watercourses, or soil
UN Number: Not classified as hazardous for transport
Proper Shipping Name: Trisodium phosphate, industrial grade (not a regulated material in most regions)
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Special Precautions: Avoid transport with incompatible materials like acids, separate from food and feedstuffs
Environmental Hazards: Not a marine pollutant
Safety, Health, and Environmental Regulations: Listed in major chemical inventories (TSCA, EINECS/ELINCS), not classified as hazardous on US SARA Title III
Labelling Requirements: GHS label for corrosive substances in many jurisdictions
Other Regulatory Data: Not listed as a carcinogen or mutagen; follow local, provincial, and national guidelines for handling, storage, and disposal
Workplace Controls: OSHA recommended controls for dust-generating powders, emergency planning required for large industrial users
