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Tetrasodium pyrophosphate

E No.:E450(iii)
CAS NO.:7722-88-5
Einecs No.:231-767-1
Hs code:28353990.00
Payment Term:L/C, D/P, T/T
QC:HACCP, Halal, Kosher, ISO



Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is an inorganic compound with the formula Na4P2O7. As a salt, it is a white, water-soluble solid. It is composed of pyrophosphate anion and sodium ions. Toxicity is approximately twice that of table salt when ingested orally.Also known is the decahydrate Na4P2O7 · 10(H2O).
Tetrasodium pyrophosphate is produced by the reaction of furnace-grade phosphoric acid with sodium carbonate to form disodium phosphate, which is then heated to 450 °C to form tetrasodium pyrophosphate.

TetraSodium pyrophosphate is a salt composed of pyrophosphate and sodium ions.Toxicity when ingested orally is about twice that of table salt. Tetrasodium pyrophosphate is produced by sodium carbonatreaction with phosphorus grade phosphoric acid to form disodium phosphate, and then heated to 450°℃ to form tetrasodium pyrophosphate.Alternatively, TetraSodium pyrophosphate can be formed by molecular dehydration of dibasic sodium phosphate at 500 °C (932 °F).Primarily used as a food additive tetrasodium pyrophosphate (TSPP) is a salt composed of pyrophosphate and sodium ions that possesses approximately twice the toxicity of table salt when ingested orally.In general use, TSPP is used as an emulsifier, thickening agent,buffering agent, and a dispersing agent.


Product Name: Tetrasodium pyrophosphate Batch No: 18042001 Package: 25kg/Bag
Mfg. Date: 20 Apr. 2022 Expi Date: 19 Apr. 2024 Quantity: 5000kg
Item Food Grade Result
Content (As Na4P2O7 on Ignited Basis) ≥ 95.0% 98.7%
Content (As P2O5) 52.5% - 54.0% 52.7%
Loss on Ignition ≤ 0.5% 0.37%
pH Value (1% Solution) 9.8 – 10.8 10.1
Lead ≤ 1 ppm < 1 ppm
Arsenic ≤ 1 ppm < 1 ppm
Cadmium ≤ 1 ppm < 1 ppm
Mercury ≤ 1 ppm < 1 ppm
Fluoride (Expressed as Fluorine) ≤ 10 ppm < 10 ppm
Water Insolubles ≤ 0.2% 0.09%

Tetrasodium Pyrophosphate Anhydrous is used in Food, Beverage, Pharmaceutical, Health & Personal care products, Agriculture/Animal Feed/Poultry. Tetrasodium Pyrophosphate functions as a coagulant, emulsifier, and sequestrant. The application of Tetrasodium Pyrophosphate such as in malted milk powders, instant puddings, cheese, chocolate drink powders, and tuna.

Tetrasodium Pyrophosphate Anhydrous also known as Anhydrous TSPP, Sodium Pyrophosphate, or Tetrasodium Diphosphate – is a white crystalline powder with a molecular formula of Na4P2O7.

Tetrasodium Pyrophosphate uses as follows:

In Food Production

TetraSodium Pyrophosphate can be used as buffering agent, emulsifier, and thickening agent in food such as inc


In Beverage

TetraSodium Pyrophosphate can be used as dispersing agent in beverage.

In Pharmaceutical


In Health and Personal care

TetraSodium Pyrophosphate can be used in the formulation of bath products, colognes, dentifrices, mouthwashes, hair conditioners, hair dyes and colors, permanent waves, shampoos, makeup and skin care products. TetraSodium Pyrophosphate also can be used in toothpaste.

In Agriculture/Animal Feed/Poultry

TetraSodium Pyrophosphate can be used in Agriculture/Animal Feed/Poultry products, such as in cat food and pet food.

In Other Industries

TetraSodium Pyrophosphate can be used as detergents in textile to reduce water hardness; in metal surface processing to remove rust.


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