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Potassium Pyrophosphate

1Chemical Name: Potassium Pyrophosphate

2Molecular Formula : K4P2O7

3Molecular Weight: 330.34

4CAS: 7320-34-5

5Character: White powder, the relative density is 2.534 and melting point is 1109℃ . It easily absorbs moisture and deliquesces, easily soluble in water and insoluble in ethanol.

6Usage: It is used as emulsifier, quality modifier and chelae agent. It is also used in keeping fresh and improving quality of aquatic products. And it can increase the swelling of ice cream, improve the flavor of cakes and pastries and prevent the cheese from aging.

7Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

8Storage and Transport: It should be stored in a dry and ventilate warehouse, kept away from moisture and heat during transport, unloaded with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.

Specification GB 25562—2010 FCCVII
Content,w/%               ≥ 95.0 95.0
Loss on Ignition,w/%        ≤ 0.5 0.5
Fluorides,w/%              ≤ 0.001 0.001
Pb,w/%                   ≤ 0.0002 0.0002
Hg,w/%                   ≤ ———— ————
Cd,w/%                   ≤ ———— ————
Water Insolubles,w/%        ≤ 0.1 0.1
Arsenic (As),w/%           ≤ 0.0003 0.0003
Heavy melt (As Pb),mg/kg    ≤  10 ————
pH (1%,25℃) 10.5±0.5 ————
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