Molecular formula: K4P2O7
Molecular weight: 330.34
CAS Number: 7320-34-5
Standard:HG/T3591-1999
Properties
Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm3 and melting point 1109℃; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25℃,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.
Application
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.
Package
Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag
Loading:25 kgs on pallet: 22MT/20’FCL; Un-palletized:24MT/20’FCL
Jumbo bag :20 bags /20’FCL ;
Specifications
NO | Specifications | Technical Grade |
1 | Appearance | White powder or granular |
2 | Assay % ≥ | 98.0 |
3 | P2O5 % ≥ | 42 |
4 | Iron(Fe) % ≤ | 0.1 |
5 | Water insoluble matter % ≤ | 0.2 |
6 | Heavy Metals,as Pb % ≤ | 0.003 |
7 | Arsenic(As) % ≤ | 0.002 |
8 | PH Value | 9.5—10.5 |
9 | loss on ignition % ≤ | 0.2 |
10 | Pb % ≤ | 0.0005 |
11 | Ortho Phosphate | Pass test |