产品中心
Product Center
Food additive sodium tripolyphosphate(STPP)
Food additive sodium hexametaphosphate(SHMP)
Food additive Sodium pyrophosphate(TSPP) anhydrous
Food additive Sodium Acid Pyrophosphate(SAPP)
Food additive Tetrapotassium Pyrophosphate(TKPP)
Food additive Monopotassium Phosphate(MKP)
Food additive Tripotassium Phosphate(TKP)
Food additive trisodium phosphate
Food additive sodium hydrogen phosphate
Electronic grade sodium dihydrogen phosphate/Mono Sodium Phosphate
n-Hexane (Chromatographic grade)
Trichloromethane (Chromatographic grade)
Toluene (Chromatographic grade)
n-Hexane (for residue analysis)
Trichloromethane (for residue analysis)
Electronic grade Ammonium Sulfate
Electronic grade Phosphoric acid
Alias:Disodium dihydrogen pyrophosphate
Molecular formula:Na2H2P2O7
Executive standard: GB 1886.328-2021
Quality Standard:
Sensory requirements:should meet the requirements of the following table.
Item | Requirement |
Color | White |
State | Powder |
Physical and chemical indicators: should meet the requirements of the following table.
Item | Index |
Disodium dihydrogen pyrophosphate (Na2H2P2O7 ),w/% ≥ | 94.0 |
PH(10g/L Aqueous solution),w/% | 4.0±0.5 |
Arsenic content(As)/(mg/kg) ≤ | 3.0 |
Fluoride content(Calculated by F)/(mg/kg) ≤ | 50.0 |
Content of heavy metal (Calculated by Pb) /(mg/kg) ≤ | 10 |
Lead content(Pb)/(mg/kg) ≤ | 2.0 |
Content of water insoluble matter,w/% ≤ | 0.6 |
Usage:the role of food additive sodium acid pyrophosphate in the food industry is: buffer, leavening agent, chelating agent, stabilizer, emulsifier, color improver.