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Food additive sodium tripolyphosphate(STPP)
Food additive sodium hexametaphosphate(SHMP)
Food additive sodium pyrophosphate(TSPP)
Food additive sodium acid pyrophosphate(SAPP)
Food additive tripotassium phosphate(TKP)
Food additive monopotassium phosphate(MKP)
Food additive tetrapotassium pyrophosphate(TKPP)
Food additive potassium ferrocyanide
Alias: Disodium phosphate for food
Molecular formula: Na2HPO4·nH2O (n=0,n=2,n=12)
Executive standard: GB 25568-2010
Quality standard:
Sensory requirements: Should be comply with the following provisions.
Item | Requirements | |
Anhydrous substance | Hydrate | |
Color | White | Colorless to white |
Structural state | Powder | Crystal |
Physicochemical index: Should be comply with the following provisions.
Item | Index |
Sodium dihydrogen phosphate anhydrous (Calculated by Na2HPO4) content (Calculated by dry basis),w% ≥ | 98 |
Arsenic (As)/ (mg/kg) ≤ | 3 |
Heavy metal (Calculated by Pb) / (mg/kg) ≤ | 10 |
Lead (Calculated by Pb)/ (mg/kg) ≤ | 4 |
Fluoride (Calculated by F) / (mg/kg) ≤ | 50 |
Water insoluble matter,w/% ≤ | 0.2 |
Drying loss (NaH2PO4),w/% ≤ | 5.0 |
(NaH2PO4·2H2O),w/% ≤ | 18.0-22.0 |
(NaH2PO4·12H2O),w/% ≤ | 61.0 |
Usage: Mainly used as emulsifier, PH regulator and quality improver in food industry.
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