Product Name: Potassium Pyrophosphate
Chemical Formula: K4P2O7
CAS Number: 7320-34-5
Common Names: Tetra potassium pyrophosphate, TKPP
Recommended Use: Cleaning agent, water treatment, dispersant in paints, ingredient in food processing
Supplier: Refer to local product supplier for details
Emergency Contact: Refer to regional regulation and on-site contacts
Classification: Irritant to eyes, skin, and respiratory tract
Risk Phrases: R36/37/38 (Irritating to eyes, respiratory system, and skin)
Labelling: Avoid contact with skin and eyes, wash thoroughly after handling
Route of Exposure: Inhalation, ingestion, skin, and eye contact
Main Hazard: Dust may cause coughing, sneezing, and mild throat irritation
Main Component: Potassium Pyrophosphate (K4P2O7)
Percentage By Weight: 98% or higher
Impurities: Less than 2% as potassium salts or minor phosphates
EC Number: 230-785-7
Molecular Weight: 330.34 g/mol
Inhalation: Move to fresh air, get medical advice if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin with plenty of water, seek medical help for ongoing irritation
Eye Contact: Rinse gently with water for several minutes, remove contacts, keep rinsing, contact physician if irritation or redness doesn’t stop
Ingestion: Rinse mouth, drink water, do not induce vomiting, get professional medical assistance if feeling unwell
Notes for Doctors: Treat symptomatically, monitor electrolyte balance
Suitable Extinguishing Media: Use water spray, CO2, dry chemical, or foam for surrounding fire
Specific Hazards: Product itself doesn’t burn, produces irritating phosphorus oxides if exposed to intense heat
Protective Equipment: Use self-contained breathing apparatus, full protective suit in case of fire
Firefighting Instructions: Avoid dust, cool containers with water spray, prevent run-off from entering drains or environment
Personal Precautions: Ventilate area, avoid breathing dust, wear suitable protection (gloves, goggles, mask)
For Spills: Sweep or vacuum material, avoid raising dust, collect in approved container
Environmental Precautions: Do not allow to enter surface water, ground water, or soil
Cleanup Methods: Wash area thoroughly after collection, dispose in accordance with regulations
Handling: Minimize dust, do not breathe powder or vapors, wash hands after use, keep away from acids and moisture
Storage: Store in a tightly closed container, dry and well-ventilated place, away from food, acids, and oxidizing agents
Incompatibilities: Keep away from strong acids, aluminum, and magnesium
Hygiene: Do not eat, drink, or smoke during handling, wash thoroughly after work
Engineering Controls: Use local exhaust ventilation, keep airborne dust below exposure limits
Personal Protective Equipment: Protective gloves (rubber or neoprene), chemical goggles, dust mask or respirator
Work Hygiene: Eye wash station, safety shower in working area, wash hands and face before breaks and after handling
Exposure Limit: No established OSHA or ACGIH values for TKPP, keep exposure as low as possible
Appearance: White, crystalline powder or granules
Odor: Odorless
pH (1% solution): 10.2 – 10.7
Melting Point: >300°C (decomposes)
Solubility: Soluble in water, insoluble in alcohol
Boiling Point: Not applicable (decomposes)
Density: 2.534 g/cm³
Vapor Pressure: Negligible
Other Data: Hygroscopic, forms alkaline solution in water
Chemical Stability: Stable under normal temperature and pressure
Conditions to Avoid: Moisture, heat, and acids
Incompatible Materials: Acids, aluminum, magnesium, strong oxidizers
Hazardous Decomposition: Phosphorus oxides under fire conditions
Polymerization: Does not occur
Likely Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Not classified as acutely toxic, can irritate eyes, skin, and respiratory tract
Chronic Effects: No long term effects reported with occupational exposure
Symptoms: Redness, tearing, irritation in eyes, dryness or cracking on skin, coughing, sore throat
Carcinogenicity, Mutagenicity, Reproductive Effects: Not listed by IARC, NTP, or OSHA as carcinogenic, no mutagenic or reproductive hazards noted
Mobility: Dissolves in water, moves easily through soil
Persistence: Can remain in surface and ground water
Bioaccumulation: Not considered bioaccumulative
Ecotoxicity: Large spills can upset aquatic pH and harm fish or invertebrates
Other Adverse Effects: Avoid uncontrolled release to environment
Waste Disposal: Follow local, regional, national disposal regulations
Recommended Disposal: Dispose as non-hazardous, but avoid direct release to water systems
Container Disposal: Rinse thoroughly, recycle or dispose of according to law
Additional Guidance: Consult licensed waste disposal contractor for large quantities
UN Number: Not regulated for transport
Transport Hazard Class: None
Packing Group: None
Proper Shipping Name: Potassium Pyrophosphate
Special Precautions: Avoid shipment with strong acids, protect from moisture
US TSCA: Listed
EU EINECS/ELINCS: Listed (EINECS: 230-785-7)
Canada DSL: Listed
Other Regulations: Check local, regional, and national regulations for workplace exposure, environmental discharge, and health and safety requirements
Hazard Symbol: Xi (Irritant)
