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Food additive Sodium Acid Pyrophosphate(SAPP)

Detail

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.


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