| Customization: | Available |
|---|---|
| CAS No.: | 7320-34-5 |
| Formula: | K4o7p2 |
|
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Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm3 and melting point 1109ºC; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25ºC, its solubility in water is 187g/100g water; It can chelate with alkaline metal ions or heavy metalions.
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Product |
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Chemical Name |
Potassium pyrophosphate |
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Synonyms |
Potassium diphosphate; Tetrapotassium pyrophosphate |
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Molecular Formula |
K4P2O7 |
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Molecular Weight |
330.33 |
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CAS No. |
7320-34-5 |
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EINECS |
230-785-7 |
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Technical Data Sheet |
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Properties |
It is white block solid or powdery or particle solid, easily deliquescence, easily soluble in water, aqueous solution is alkaline, insoluble in alcohol. |
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Tetra potassium pyro-phosphate (K4P2O7) |
96% min. |
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Iron(Fe) |
0.005% max. |
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water insolubles |
0.08% max. |
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ph value (1% water solvent) |
9.5-11.5 |
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Or thophosphate PO4 |
No distinct yellow color when react with 0.1NAgNO3 |
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chloride (Cl) |
0.45% max |
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heavy metal contents (Pb) |
0.01% max. |
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total phosphorus content(P2O5) |
41% |
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Packing |
25kg/bag or as demand |
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Application |
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. |
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