Sodium Acid Pyrophosphate is a white monoclinic crystal powder. Its relative density is 1.86. It is soluble in water, insoluble in alcohol. It hydrolyzes to orthophosphate when heated in acid medium. It is hygroscopic, forms hexahydrate in damp air, and decomposes to metaphosphate at above 220℃.
Specifications FCC-V GB25567-2010
Item |
Standard |
Content (Na2H2P2O7) |
93.0-100.5% |
Water Insoluble |
≤1.0% |
As |
≤0.0003% |
Heavy metals(As Pb) |
≤0.001% |
Fluorides |
≤0.005% |
Lead |
≤0.0002% |
PH |
4.0±0.5 |
ROR |
25-30 |
Application
In food industry, it is used as rapid ferment agent, quality improver and applied as acid component of bread and cake’s synthetic leavening agent. Mixed with other phosphates can be applied to water retention of meat product, such as canned meat, cooked ham, meat can and instant noodles.
Packing
25kg/bag
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