Tetra Sodium Pyrophosphate

Food Grade · Industrial Grade (TSPP) — Bulk supply across India & International Markets

What is Tetra Sodium Pyrophosphate?

Tetra Sodium Pyrophosphate (TSPP) is an inorganic phosphate salt widely used as a buffering agent, emulsifier, dispersant, and water softener across the food and industrial chemical sectors. It is a white, alkaline crystalline powder produced by the controlled heating (calcination) of disodium phosphate, and is valued for its strong sequestering ability for calcium and magnesium ions along with its emulsifying and texturising properties in food applications.

Polychem Industries supplies TSPP in food grade and industrial grade to processed meat manufacturers, dairy companies, detergent producers, and water treatment companies across India and internationally. Its versatility as both a food functional ingredient and an industrial water softener and dispersant makes it one of the most widely used phosphate salts in commercial use.

Available Grades

GradeFormPurityStandardApplications
Food GradeWhite crystalline powder98%+ (Food / Industrial Grade)FSSAI / FCC / E450(iii)Processed meat, dairy, seafood, canned products
Industrial GradeWhite crystalline powder98%+IndustrialDetergents, water treatment, ceramics, oil drilling

Applications & Uses

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Processed Meat & Poultry

Widely used in processed meats, sausages, and poultry products as a water-binding agent, helping improve moisture retention, texture, and yield during processing, while also contributing to colour stability in cured meat products.

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Seafood Processing

Used in frozen seafood and shrimp processing as a moisture-retention agent, helping prevent drip loss and maintain product quality and texture during freezing, storage, and thawing.

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Dairy & Processed Cheese

Used as an emulsifying salt in processed cheese manufacturing, helping create a smooth, uniform texture by emulsifying fat and stabilising the protein structure during processing.

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Detergents & Cleaning Products

Industrial Grade TSPP is used as a builder in detergent formulations, sequestering calcium and magnesium hardness ions to improve surfactant efficiency and prevent scale deposition.

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Water Treatment

Used as a sequestering agent and dispersant in industrial water treatment applications, helping prevent scale formation and control mineral deposition in water systems.

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Oil Drilling & Ceramics

Used as a deflocculant in oil well drilling mud formulations and as a dispersing agent in ceramic slip and clay processing, improving the flow and processing characteristics of these specialised industrial slurries.

Technical Specifications

Tetra Sodium Pyrophosphate — Key Properties

Chemical FormulaNa4P2O7
CAS Number7722-88-5
Molecular Weight265.90 g/mol
AppearanceWhite crystalline powder
Purity98%+ (Food / Industrial Grade)
Melting Point988°C
Density / Bulk DensityBulk density: 0.7–0.9 g/cm3
pH9.8 – 10.8 (1% solution, alkaline)
Packaging Available25 kg / 50 kg bags
StorageStore in cool, dry place away from moisture. Hygroscopic — keep sealed. Shelf life 24 months.

Why Source Tetra Sodium Pyrophosphate from Polychem Industries?

  • Food Grade (E450(iii)) and Industrial Grade available
  • FSSAI compliant Food Grade supply with Certificate of Analysis
  • Effective water-binding and emulsifying properties for processed foods
  • Reliable bulk supply for meat, dairy and detergent manufacturers
  • Competitive pricing with consistent year-round availability
  • Export documentation experience for international shipments

Frequently Asked Questions

Why is TSPP used in processed meat products?
TSPP functions as a phosphate-based water-binding agent in processed meat, helping the meat protein retain moisture during cooking and storage, which improves product yield, juiciness, and texture. It also helps maintain the characteristic pink colour in cured meat products by interacting with the curing chemistry of the formulation.
What is the difference between TSPP and other sodium phosphates used in food?
TSPP (Tetra Sodium Pyrophosphate) is a pyrophosphate with two phosphate groups joined together, giving it stronger sequestering and emulsifying properties compared to simpler orthophosphates. It is often used in combination with other phosphate salts like Sodium Acid Pyrophosphate or polyphosphates to achieve specific functional effects tailored to particular food applications.
Is TSPP safe for use in food?
Yes — TSPP is approved as a food additive (E450(iii)) by food safety regulatory bodies worldwide including FSSAI, within specified usage limits for approved food categories. It has an extensive history of safe use across processed meat, seafood, and dairy applications globally.
Do you export Tetra Sodium Pyrophosphate outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation. Contact us for export pricing and lead times.

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