Tetra Potassium Pyrophosphate, TKPP

Tetra Potassium Pyrophosphate, TKPP
Molecular formula: K4P2O7
Molecular weight: 330.34
Standard executed: HG/T3591-1999
CAS Number: 7320-34-5
Properties:
Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm3 and melting point 1109 degrees Celsius; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25 degrees Celsius,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.
Uses :
It mainly applied to electroplating without cyanate, industrial or household detergents; It can used as a buffering reagent as well as stabilizer for hydrogen peroxide; It can also be used as dispersion agent for ceramic, clay, latex and pigments etc.
Packing and storage:
I Packed in 25 Kg, 50 Kg or 1000 Kg net bags. It must be stored in places well ventilated and dry.
Guaranteed Technical Specifications:
NO  Specifications Industrial Grade  
1  Appearance  White powder or granular 
2  Assay  %  96.0  
3  Iron(Fe) %  0.03   
4  Water insoluble matter %  0.1  
5  Heavy Metals,as Pb %  -
6  Arsenic(As) %  -
7  PH Value  10.0-10.7 
8  Ortho Phosphate  Pass test 
we can also produce Food Grade TKPP, Tetra Potassium Pyrophosphate.