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| NAME: | TETRAPOTASSIUM PYROPHOSPHATE K4P2O7 |
| MOLECULAR WEIGHT: | 330.05 |
| CAS NO.: | 7320-34-5 |
| It is white powdery granulars or lumps, easy deliquescence, soluble in water and showing alkaline aqueous solution and insoluble in alcohol.It is mainy used in non cyanogen electroplating, As a Complexing agent for electroplating to Substitute sodium cyanide, it is also used in Electroplating pre-treatment agent and electroplating solution of Pyrophosphate, used as components of detergents for cloth, cleaning agents for metal surfaces and cleaners for bottles, used for clay dispersant in ceramic industry, and for Pigment and dye dispersant and buffer. In the dyeing industry to remove a small amount of Fe 3 + in order to improve the quality of dyeing. |
model | Index name | ||
Export grade | High-purity | High class | |
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 | ||
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: | In 25kg plastic woven bags net each, or in three layer paper bags lined with doule plastic plastic bags linling.Export packing: In 25kgs plastic woven bags, or in 50LBs three layer paper with doule plastic bag lining. |
Potassium Diphosphate