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. Relative density 2.3534 and melting point 1109??C; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25??C,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 lumps
2
Assay% ?Y
96.0
96.0
3
Iron(Fe) % ?ü
0.03
0.03
4
Water insoluble matter % ?ü
0.1
0.1
5
Heavy Metals(as Pb)% ?ü
0.001
6
Arsenic(As)% ?ü 0.0003
7
PH Value 10.0-10.7
8 Ortho Phosphate Pass test