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potassium pyrophosphate (Tetrapotassium pyrophosphate)CAS7320-34-5
 
Tetrapotassium pyrophosphate
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 1109C; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25C,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
Food Grade
1
Appearance
White powder or granular
2
Assay                            %
96.0
96.0
3
Iron(Fe)                        %
0.03
0.03
4
Water insoluble matter %
0.1
0.1
5
Heavy Metals,as Pb      %
 
0.001
6
Arsenic(As)                   %
 
0.0003
7
PH Value
10.0-10.7
8
Ortho Phosphate
Pass test
 
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