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Potassium pyrophosphate |
| English name: |
Potassium pyrophosphate |
|
Molecular formula: |
K4P2O7 |
Molecular weight: |
330.05 |
CAS NO.: |
7320-34-5 |
| Specification: |
Industrial grade: In line with ZB/TG12006-88;
Food grade: In line with FAO / WHO,1980; Customer requirement |
| This product is white block solid or powdery or particle solid, easily deliquescence, easily soluble in water, aqueous solution is alkaline, insoluble in alcohol. Mainly used for non-cyanide plating, surface treatment, top-grade detergent, paint coating, cleaning agent, dispersing agent and buffer in industry; In food grade, it is mainly used as the emulsifier, organization improver, chelant and quality ameliorant in food processing. |
Model |
Index name |
Export grade |
Plating grade |
High-purity |
Tetra potassium pyro-phosphate K4P2O7% |
96 |
98 |
96.0 |
Iron(Fe)% |
0.005 |
0.005 |
0.03 |
water insolubles % |
0.08 |
0.08 |
0.10 |
ph value(1% water solvent) |
10.51±1 |
Or thophosphate PO4 |
No distinct yellow color when react with 0.1NAgNO3 |
chloride (Cl)% |
0.45 |
- |
- |
heavy metal contents (Pb)% |
0.01 |
- |
- |
total phosphorus content(P2O5)% |
41 |
- |
- |
|
Packing : |
25Kg double-lined with plastic and the outside is woven bag; Customer requirement |
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