Origin

China

Chemical formula : Na2H2P2O7
Molecular weight: 221.95
CAS Number: 7758-16-9
Specifications Industrial Grade Food Grade
Appearance White powder White powder
Assay(as Na2H2P2O7)%≥ 95.0 95.0
P2O5%≥ 63.0-64.0 63.0-64.0
PH Value 3.5-4.5 3.5-4.5
Water Insoluble %≤ 1.0 1.0

Properties:
White powder or granular;Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220?? it will be decomposed into sodium meta phosphate
Uses:
As a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten water resetting time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life.

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