IUPAC Name
Tetrasodium diphosphate
Cas Number
7722-88-5
HS Code
2835.39.00
Formula
Na4P2O7
Appearance
White Crystalline Powder
Common Names
TSPP
Packaging
25 kg paper/PP/PE bag
Brief Overview
Tetrasodium Pyrophosphate, also known as TSPP, appears as an odorless, colorless transparent crystal made of sodium and pyrophosphate ions.
Manufacturing Process
Tetrasodium Pyrophosphate is manufactured by reacting sodium carbonate with phosphoric acid to produce disodium phosphate. It is subsequently heated at high temperatures to form Tetrasodium Pyrophosphate.
Food Industry
Tetrasodium pyrophosphate has a variety of applications in the food industry, such as an emulsifier, thickening, dispersing, and buffering agent. It is also commonly used as a food additive in products such as marshmallows, puddings, and chicken nuggets.
Cosmetic Industry
Tetrasodium pyrophosphate is used as a chelating and oral care agent in products, such as toothpaste and mouthwash, that prevents the deposition of calcium and magnesium onto teeth.
Other Applications
Tetrasodium pyrophosphate is used in hosiery manufacturing to remove calcium alginate linking stitches and silk degumming. It is also used as a dispersing agent in the paints and paper industry.