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Help CenterHigh Quality Sodium Acid Pyrophosphate
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sodium acid pyrophosphate
2.M. F.: Na2H2P2O7
3.M. W. : 221.94
4.Physical properties: Monoclinic, white crystalline powder. Density 1.86. Practically insoluble in alcohol, soluble in water. Hydrolyzes to orthophosphate on heating in acid medium. Hygroscopic, forms hexahydrate in damp air. Decomposes to metaphosphate at above 220 degree centigrade.
5.Quality standard:( FCC-IV HG2928-1999)
Name of index |
FCC-IV |
HG2928-1999 |
Content (as counted by Na2H2P2O7) ≥ % |
95.0 |
95.0 |
Water Insoluble% ≤% |
1.0 |
1.0 |
PH (1% aqueous solution) |
- |
3.5-4.5 |
Arsenic(As),ppm, ≤ |
3 |
3 |
Heavy Metals (as Pb),ppm, ≤ |
20 |
15 |
Fluoride(F),ppm, ≤ |
50 |
50 |
Pb ppm, ≤ |
2 |
- |
6.Usage: Used as rapid ferment agent, quality improver in food industry. Applied to acid component of synthetic swelling agent, such as, bread, cake. Builted with other phosphates can be applied to water retention of meat product, such as canned meat, cooked ham, meat can and instant noodles.
7.Packing: It is packed with PE bags as line-r , and a woven bag as the outer layer. The net weight of each bag is 25kg.
8.Storage and transport: Stored in a dry and ventilative warehouse; Keep away from moisture moisture and poisonous substances. Handled with care.
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