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Tetrasodium Pyrophosphate (TSPP) is an inorganic salt derived from pyrophosphoric acid, widely used as a buffering, dispersing, and chelating agent.
Tetrasodium Pyrophosphate (TSPP) appears as a white crystalline or granular powder, highly soluble in water, and provides alkalinity, sequestration, and dispersion in formulations.
Tetrasodium Pyrophosphate is extensively applied in detergents, food processing, ceramics, water treatment, and surface treatment.
Tetrasodium Pyrophosphate (TSPP) is valued for its ability to soften water, stabilize emulsions, and prevent scale and corrosion.
CAS Number: 7722-88-5
EC Number: 231-767-1
Molecular Formula: Na4P2O7
Molecular Weight: 265.90 g/mol
Synonyms: Tetrasodium Pyrophosphate, TSPP, Sodium Pyrophosphate Tetrabasic, Pyrophosphoric Acid Tetrasodium Salt, Tetrasodium Diphosphate, E450 (iii), Tetrasodium Salt of Pyrophosphate, Inorganic Sequestrant TSPP, TSPP Pharmaceutical Grade, TSPP Food Grade, TSPP Cosmetic Grade, TSPP Laboratory Grade, TSPP Research Grade, TSPP Pure, TSPP Extra Pure, TSPP High Purity, TSPP Refined, TSPP Stabilized, TSPP Certified, TSPP Certified Standard, TSPP Analytical Standard, TSPP Laboratory Standard, TSPP Assay, TSPP Certified Reagent, TSPP Laboratory Reagent, TSPP Bulk Chemical, TSPP Commercial Grade, TSPP Raw Material, TSPP Fine Chemical, TSPP Specialty Chemical, TSPP Active Ingredient, TSPP Functional Ingredient, TSPP Specialty Ingredient, TSPP Functional Additive, TSPP Specialty Additive, TSPP Processing Aid, TSPP Cleaning Agent, TSPP Chelating Agent, TSPP Sequestering Agent, TSPP Detergent Builder, TSPP Buffering Agent, TSPP Emulsifier, TSPP Stabilizer, TSPP Water Softener, TSPP Dispersant, TSPP Surface Treatment Agent, TSPP Metal Treatment Agent, TSPP Food Additive, TSPP Food Processing Aid, TSPP Meat Additive, TSPP Dairy Additive, TSPP Beverage Additive, TSPP Bakery Additive, TSPP Technical Product, TSPP Industrial Product
APPLICATIONS
Tetrasodium Pyrophosphate (TSPP) is used in detergents to soften water and sequester calcium and magnesium ions.
Tetrasodium Pyrophosphate (TSPP) enhances cleaning performance in laundry powders and automatic dishwashing products.
Tetrasodium Pyrophosphate (TSPP) prevents redeposition of dirt on fabrics and dishes.
Tetrasodium Pyrophosphate (TSPP) is applied in food processing as an emulsifier and buffering agent.
Tetrasodium Pyrophosphate (TSPP) retains moisture in seafood, meat, and poultry products.
Tetrasodium Pyrophosphate (TSPP) improves texture and reduces syneresis in processed foods.
Tetrasodium Pyrophosphate (TSPP) is incorporated into toothpaste formulations.
Tetrasodium Pyrophosphate (TSPP) helps prevent tartar formation by binding calcium ions.
Tetrasodium Pyrophosphate (TSPP) contributes to dental hygiene and enamel protection.
Tetrasodium Pyrophosphate (TSPP) is used in ceramics and clay processing.
Tetrasodium Pyrophosphate (TSPP) acts as a dispersing agent for clay suspensions.
Tetrasodium Pyrophosphate (TSPP) improves workability and reduces water demand.
Tetrasodium Pyrophosphate (TSPP) is applied in industrial water treatment.
Tetrasodium Pyrophosphate (TSPP) prevents scale formation and corrosion.
Tetrasodium Pyrophosphate (TSPP) stabilizes metal ions in circulating water systems.
Tetrasodium Pyrophosphate (TSPP) is employed in metal surface treatment and electroplating.
Tetrasodium Pyrophosphate (TSPP) improves dispersion and bath stability.
Tetrasodium Pyrophosphate (TSPP) ensures smooth and uniform coatings.
Tetrasodium Pyrophosphate (TSPP) is found in adhesives and sealants.
Tetrasodium Pyrophosphate (TSPP) disperses fillers and pigments.
Tetrasodium Pyrophosphate (TSPP) enhances bonding and stability.
Tetrasodium Pyrophosphate (TSPP) is used in detergents.
Tetrasodium Pyrophosphate (TSPP) acts as a water softener.
Tetrasodium Pyrophosphate (TSPP) prevents redeposition of dirt.
Tetrasodium Pyrophosphate (TSPP) is applied in dishwashing powders.
Tetrasodium Pyrophosphate (TSPP) disperses food residues effectively.
Tetrasodium Pyrophosphate (TSPP) stabilizes enzymes in cleaning products.
Tetrasodium Pyrophosphate (TSPP) is used in laundry formulations.
Tetrasodium Pyrophosphate (TSPP) enhances stain removal.
Tetrasodium Pyrophosphate (TSPP) improves performance in hard water.
Tetrasodium Pyrophosphate (TSPP) is incorporated in toothpaste.
Tetrasodium Pyrophosphate (TSPP) prevents tartar formation.
Tetrasodium Pyrophosphate (TSPP) enhances overall dental hygiene.
Tetrasodium Pyrophosphate (TSPP) is used in meat processing.
Tetrasodium Pyrophosphate (TSPP) improves water retention in meat.
Tetrasodium Pyrophosphate (TSPP) enhances texture of processed meats.
Tetrasodium Pyrophosphate (TSPP) is applied in seafood preservation.
Tetrasodium Pyrophosphate (TSPP) prevents drip loss in frozen fish.
Tetrasodium Pyrophosphate (TSPP) maintains firmness in seafood products.
Tetrasodium Pyrophosphate (TSPP) is used in ceramics.
Tetrasodium Pyrophosphate (TSPP) functions as a dispersing agent.
Tetrasodium Pyrophosphate (TSPP) improves workability of ceramic slurries.
Tetrasodium Pyrophosphate (TSPP) is incorporated in water treatment.
Tetrasodium Pyrophosphate (TSPP) sequesters calcium and magnesium ions.
Tetrasodium Pyrophosphate (TSPP) prevents scale formation in systems.
Tetrasodium Pyrophosphate (TSPP) is applied in dairy processing.
Tetrasodium Pyrophosphate (TSPP) stabilizes milk proteins.
Tetrasodium Pyrophosphate (TSPP) improves texture of cheese products.
Tetrasodium Pyrophosphate (TSPP) is used in pet food.
Tetrasodium Pyrophosphate (TSPP) enhances palatability of pet products.
Tetrasodium Pyrophosphate (TSPP) improves nutrient stability in feeds.
DESCRIPTION
Tetrasodium Pyrophosphate (TSPP) is soluble in water.
Tetrasodium Pyrophosphate (TSPP) is insoluble in ethanol.
Tetrasodium Pyrophosphate (TSPP) forms alkaline solutions in water.
Tetrasodium Pyrophosphate (TSPP) is widely used as a buffering and dispersing agent.
Tetrasodium Pyrophosphate (TSPP) is stable under normal storage conditions.
Tetrasodium Pyrophosphate (TSPP) requires storage in sealed containers to avoid moisture absorption.
Tetrasodium Pyrophosphate (TSPP) is approved as a food additive with the code E450.
Tetrasodium Pyrophosphate (TSPP) is considered safe within regulated limits.
Tetrasodium Pyrophosphate (TSPP) contributes to texture, stability, and preservation in multiple industries.
Tetrasodium Pyrophosphate (TSPP) is a white, crystalline or granular solid.
It is odorless, water-soluble, and yields alkaline solutions.
It is hygroscopic and absorbs moisture from the air.
Tetrasodium Pyrophosphate (TSPP) exhibits strong chelating and dispersing ability.
It is multifunctional as a buffer, emulsifier, and sequestrant.
It is stable under normal conditions but releases irritating fumes if heated to decomposition.
Tetrasodium Pyrophosphate (TSPP) is approved for regulated food and oral care applications.
It is safe when used within prescribed limits.
It is non-combustible but classified as an irritant.
PROPERTIES
Appearance: White crystalline or granular powder
Odor: Odorless
Density: ~2.53 g/cm³
Melting Point: ~988°C (decomposes)
Solubility: Highly soluble in water; insoluble in ethanol
pH (1% solution): ~10.0–10.5
Hygroscopicity: Absorbs atmospheric moisture
Reactivity: Reacts with strong acids to form phosphates
Storage Temperature: 10–30°C, dry and sealed
FIRST AID
Inhalation:
Remove to fresh air if dust is inhaled.
Seek medical attention if irritation occurs.
Skin Contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.
Eye Contact:
Flush immediately with water for 15 minutes.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Seek medical help if discomfort occurs.
Note to Physicians:
Treat symptomatically.
Supportive care; no antidote required.
HANDLING AND STORAGE
Handling:
Avoid dust inhalation and skin or eye contact.
Wear protective gloves, goggles, and clothing during bulk handling.
Ventilation:
Provide local exhaust or adequate ventilation.
Avoidance:
Avoid exposure to acids and moisture.
Prevent dust accumulation.
Spill and Leak Procedures:
Sweep or vacuum carefully without generating dust.
Collect in appropriate containers for disposal.
Storage:
Store in tightly closed containers in a cool, dry, ventilated area.
Protect from humidity and incompatible substances such as strong acids.
