Product name:  Potassium Diphosphate
Alias:  Diphosphoric acid, tetrapotassium salt; Potassium Pyrophosphate; Tetra-Potassium Pyrophosphate; TKPP; Tetrapotassium pyrophosphate; tetrapotassium diphosphate; diphosphoric acid, monopotassium salt; Tetra Potassium Pyrophosphate
CAS Number:  7320-34-5
EINECS Number:  230-785-7
Molecular formula:  K4O7P2
Molecular weight:  330.336522
Physical and chemical properties:
Property White powder or lump.
Melting point 1109℃
Relative density 2.534
Solubility Soluble in water, insoluble in ethanol. The aqueous solution is alkaline. The solubility in 100 g of water at 25°C is 187 g.
Product Uses: For cyanide-free electroplating, dyeing, refined clay, etc.