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Tetrasodium Pyrophosphate (TSPP, E450) is a multifunctional inorganic compound used extensively as a buffering agent, emulsifier, thickener, and sequestrant in food, industrial, and cleaning applications.
Tetrasodium Pyrophosphate (TSPP, E450) is highly valued in the food industry for its ability to improve texture, stabilize emulsions, and enhance shelf life.
As a food-grade additive with versatile properties, Tetrasodium Pyrophosphate (TSPP, E450) is widely used in processed foods, beverages, and cleaning formulations.
CAS Number: 7722-88-5
EC Number: 231-767-1
Molecular Formula: Na4P2O7
Molecular Weight: 265.9 g/mol
Synonyms: Tetrasodium Pyrophosphate, TSPP, E450, Sodium Pyrophosphate, Tetrasodium Diphosphate, Sodium Diphosphate, Pyrophosphate Tetrasodium, Na4P2O7, Tetrasodium Phosphate, Sodium Pyrophosphate Decahydrate, Industrial Grade TSPP, Food Grade TSPP, Buffering Agent TSPP, Emulsifier TSPP, Sequestrant TSPP, TSPP Food Additive, E450 Food Stabilizer, Thickener TSPP, Diphosphate Sodium, Leavening Agent TSPP, Food Emulsifier E450, Cleaning Agent TSPP, Water Softener TSPP, Dispersing Agent TSPP, E450 Preservative, E450 TSPP Salt
APPLICATIONS
Tetrasodium Pyrophosphate (TSPP, E450) is widely used in the food industry as a stabilizer and texturizer for processed meats, poultry, and seafood, improving water retention and juiciness.
Tetrasodium Pyrophosphate (TSPP, E450) is included in cheese formulations, where it enhances melting properties and stabilizes emulsions.
Tetrasodium Pyrophosphate (TSPP, E450) is found in instant pudding and dessert mixes, where it helps achieve a smooth texture and consistency.
Tetrasodium Pyrophosphate (TSPP, E450) is used in bakery products as a leavening agent, improving dough volume, texture, and overall quality.
Tetrasodium Pyrophosphate (TSPP, E450) is applied in canned fruits and vegetables, preventing discoloration and maintaining pH stability for extended shelf life.
Tetrasodium Pyrophosphate (TSPP, E450) is a key additive in pet foods, ensuring product stability and enhancing texture for wet and dry formulations.
Tetrasodium Pyrophosphate (TSPP, E450) is extensively used in dishwashing detergents, where it enhances grease-cutting and prevents redeposition of dirt.
Tetrasodium Pyrophosphate (TSPP, E450) is incorporated into industrial cleaning agents for metal surfaces, helping to remove rust, grease, and scale.
Tetrasodium Pyrophosphate (TSPP, E450) is found in laundry detergents, where it softens hard water and improves stain removal.
Tetrasodium Pyrophosphate (TSPP, E450) is a common ingredient in toothpaste, acting as a tartar control agent and stabilizer.
Tetrasodium Pyrophosphate (TSPP, E450) is used in cosmetic formulations, such as bath products and skincare items, to enhance solubility and improve pH balance.
Tetrasodium Pyrophosphate (TSPP, E450) is utilized in water treatment formulations, where it prevents the precipitation of calcium and magnesium ions.
Tetrasodium Pyrophosphate (TSPP, E450) is applied in ceramics manufacturing, acting as a dispersing agent to ensure uniform distribution of raw materials.
Tetrasodium Pyrophosphate (TSPP, E450) is found in electroplating solutions, where it controls pH and prevents metal precipitation.
Tetrasodium Pyrophosphate (TSPP, E450) is used in adhesives and coatings, where it provides pH stability and improves viscosity control.
Tetrasodium Pyrophosphate (TSPP, E450) is incorporated into fire retardants and extinguishing agents, enhancing dispersion and effectiveness.
Tetrasodium Pyrophosphate (TSPP, E450) is employed in agricultural formulations, improving the dispersibility of fertilizers and pesticides.
Tetrasodium Pyrophosphate (TSPP, E450) is included in personal care products, such as shampoos and conditioners, to improve solubility and performance.
DESCRIPTION
Tetrasodium Pyrophosphate (TSPP, E450) is a white, crystalline powder or granule known for its excellent solubility and multifunctional properties.
Tetrasodium Pyrophosphate (TSPP, E450) is widely used as a buffering, sequestering, and stabilizing agent across diverse industries, including food, cleaning, and personal care.
Tetrasodium Pyrophosphate (TSPP, E450) enhances the texture, appearance, and functionality of formulations, making it an essential additive for high-quality products.
Tetrasodium Pyrophosphate (TSPP, E450) is effective in softening water, improving the performance of detergents and cleaning agents in hard water conditions.
Tetrasodium Pyrophosphate (TSPP, E450) is environmentally friendly and biodegradable, meeting sustainability requirements for eco-conscious applications.
The safety and efficacy of Tetrasodium Pyrophosphate (TSPP, E450) have led to its approval as a food additive under the designation E450, ensuring its suitability for consumption.
PROPERTIES
Chemical Formula: Na4P2O7
Molecular Weight: 265.9 g/mol
Common Name: Tetrasodium Pyrophosphate (TSPP, E450)
Appearance: White crystalline powder or granule
Density: Approx. 2.45 g/cm³
Boiling Point: Decomposes before boiling
Melting Point: Approx. 880°C (decomposes)
Solubility: Fully soluble in water; insoluble in organic solvents
Flash Point: Non-flammable
Reactivity: Stable under normal conditions; avoid strong acids and oxidizing agents
Chemical Stability: Stable in recommended storage conditions
Storage Temperature: Store in a cool, dry place away from direct sunlight
Vapor Pressure: Negligible
FIRST AID
Inhalation:
If Tetrasodium Pyrophosphate (TSPP, E450) dust is inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek immediate medical attention.
If the person is not breathing, administer artificial respiration.
Keep the affected person warm and at rest.
Skin Contact:
Wash the affected area with soap and water.
If skin irritation or rash develops, seek medical attention.
Eye Contact:
In case of eye contact with Tetrasodium Pyrophosphate (TSPP, E450), flush the eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids.
Seek immediate medical attention if irritation or redness persists.
Remove contact lenses if present and easy to do; continue rinsing.
Ingestion:
If Tetrasodium Pyrophosphate (TSPP, E450) is ingested, rinse the mouth thoroughly with water.
Do not induce vomiting unless directed by medical personnel.
Seek immediate medical attention.
If the person is conscious, give small sips of water to drink.
Note to Physicians:
Treat symptomatically.
No specific antidote.
Provide supportive care.
HANDLING AND STORAGE
Handling:
Personal Protection:
Wear appropriate personal protective equipment (PPE), such as gloves, safety goggles, and protective clothing, when handling Tetrasodium Pyrophosphate (TSPP, E450).
Use in a well-ventilated area to avoid inhalation of dust.
Ventilation:
Ensure adequate ventilation when handling Tetrasodium Pyrophosphate (TSPP, E450) to control airborne concentrations below occupational exposure limits.
Avoidance:
Avoid direct contact with eyes, skin, and clothing.
Do not eat, drink, or smoke while handling Tetrasodium Pyrophosphate (TSPP, E450).
Wash hands thoroughly after handling.
Spill and Leak Procedures:
Contain spills of Tetrasodium Pyrophosphate (TSPP, E450) to prevent further release and minimize exposure.
Sweep up spills carefully to avoid dust generation and dispose of according to local regulations.
Storage:
Store Tetrasodium Pyrophosphate (TSPP, E450) in a cool, dry, well-ventilated area away from incompatible materials such as strong acids.
Keep containers tightly closed when not in use to prevent contamination and evaporation.
Store away from heat sources, direct sunlight, and moisture.
Handling Cautions:
Avoid inhalation of dust and direct contact with skin and eyes.
Use explosion-proof equipment in areas where Tetrasodium Pyrophosphate (TSPP, E450) dust may be present.
