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Product Name : Tetra Sodium Pyrophosphate
Synonyms : Sodium pyrophosphate tetrabasic decahydrate
Tetrasodium pyrophosphate
Sodium pyrophosphate decahydrate
TSPP
CAS No : 7722-88-5
Molecular Formular: Na4P2O7
I. Performance
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3and 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 .
II. Applicable Fields
Tetra Sodium pyrophosphate is used in the food industry as an emulsifying agent,nutrient and texturzing agent in applications including:processed cheese,seafood product,hamburgers and meat.In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.
Guaranteed Technical Specifications :
NO. |
Specifications |
Unit |
Food Grade |
|
1 |
Appearance |
|
white powder or white granular |
|
2 |
Assay (as Na4P2O7 ) |
% |
≥96.5 |
|
3 |
Ortho Phosphates |
|
pass |
|
4 |
PH ＆#118alue |
|
9.9-10.7 |
|
5 |
Water Insoluble matter |
% |
≤0.2 |
|
6 |
Fluoride (as F) |
ppm |
≤50 |
|
7 |
Heavy Metals (as Pb) |
ppm |
≤10 |
|
8 |
Arsenic (As) |
ppm |
≤3 |
|
9 |
Loss on drying |
% |
≤0.5 |
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