Tetra Sodium Pyrophosphate

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Tetra Sodium Pyrophosphate (TSPP)
Chemical NameTetra Sodium Pyrophosphate
SynonymsTetra Sodium Pyrophosphate
Molecular formulaNa4P2O7
CAS NO.7722-88-5
Standard ExecutedGB25557-2010
Properties
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3 and melting point 890℃; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 ℃ but will be hydrolyzed into di-sodium phosphate when boiled.
Application
Tetra Sodium pyrophosphate is used in the food industry as an emulsifying agent, nutrient and texturing agent in applications including: processed cheese, seafood products, hamburgers and meat. In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.
Packaging
Plastic knit bag or kraft bag, net weight 25kg. Besides, we can pack the goods according to the requirement of the client.
Guaranteed Technical Specifications
No.SpecificationsUnitFood Grade Standard
1Appearance
White Powder or White Granular
2Main contents Na4P2O7%≥96.5
3Phosphate
Qualified
4Water insoluble matter%≤0.2
5pH of 1% water solution
9.9-10.7
6Heavy Metal (as Pb)mg / kg≤10
7Plumbum (Pb)mg / kg≤4
8Arsenic (As)mg / kg≤0.2
9Loss on drying%≤0.5
10Fluoride (F)mg / kg≤50

Other performance indicators or have special requirements, please contact the relevant


Trisodium Phosphate