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Name: Potassium Diphosphate
CAS No.:7320-34-5
Other name:TKPP、Potassium pyrophosphate、Tetra-Potassium Pyrophosphate
Appearance: White powder
Molecular formula: K4P2O7
Molecular Weight: 330.336522
Melting point: 1109℃
Water solubility: soluble
Density: 2.534 g/cm³
Product origin:
ChinaLead Time:
2 weeksDescription:
Potassium Diphosphate (TKPP) CAS NO.:7320-34-5 is a white powder or block. Relative density 2.534. Melting point 1109 ℃. Soluble in water, insoluble in ethanol. The aqueous solution is alkaline. The solubility of a solution in 100g of water at 25 ℃ is 187g. The pH of a 1% aqueous solution is 10.2. Potassium pyrophosphate possesses all the properties of other condensed phosphates.
Application:
Potassium Diphosphate (TKPP) CAS NO.:7320-34-5 is used in the food industry as an emulsifier, tissue improver, chelating agent, and also as a raw material for preparing alkaline water for noodle products. It is often used in combination with other condensed phosphates to prevent the formation of bird droppings in canned seafood, prevent discoloration of canned fruits, improve the freezing and swelling degree, increase the yield of ham and sausages, improve the water holding capacity of ground fish, enhance the flavor and yield of noodles, and prevent cheese aging.
Specification:
Item |
Standard |
Content % ≥ |
95.0 |
PH value |
10.0-11.0 |
As ≤% |
0.0003 |
Pb ≤% |
0.0002 |
Heavy Metals (as Pb), ≤% |
0.001 |
F ≤% |
0.001 |
Water insoluble matter % ≤ |
0.1 |
Loss on drying %≤ |
0.5 |
P2O5% |
- |
K2O% |
- |
Packaging and Storage
Lined in plastic bags, wrapped in plastic coated woven bags, with a net weight of 25kg per bag.
This product should be stored in a dry and ventilated warehouse to prevent rain and moisture during transportation. Handle with care during loading and unloading to prevent packaging damage and moisture. Store separately from toxic substances.
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