Potassium pyrophosphate
- CAS number
- 7320-34-5
- Molecular weight
- 330.34
- Molecular formula / chemical symbol
- K4P2O7
Description
Anhydrous potassium pyrophosphate as a white powder, relative density 2.534, melting point 1109 ° C easily absorb moisture and deliquescence, soluble in water insoluble in ethanol, 100 g187 gdissolved in 25 ° C, and alkaline earth metal and heavy metal ions chelating cooperation occurs with.Keywords:Phosphate;Electronic chemicals
USES
Mainly used as emulsifiers, quality improvers, chelating agents, pasta alkaline agent in food processing. Can be used for the preservation of frozen aquatic products, water conservation and quality improvement; meat processing and other phosphate composite use effect is better; ice cream expansion rate, improving noodles, pastries taste to prevent the cheese aging.
Report
|
Quality indicators |
Specification |
HG/T3591-1999 |
|
Content ≥% |
Content |
98.0 |
|
Iron (Fe) ≤% |
Iron (As Fe) |
0.01 |
|
Water insoluble matter ≤% |
Water Insolubles |
0.1 |
|
P2O5 content≥% |
Content (P2O5) |
41.0 |
|
K2O content≥% |
Content (K2O) |
57.0 |
|
Heavy metals (Pb）≤% |
Heavy Metal (As Pb) |
0.003 |
|
Arsenic (As)≤% |
Arsenic (As As) |
0.0003 |
|
PH value |
PH Value |
10.5±0.5 |
|
Orthophosphate |
Orthophosphate |
Up to Standard |