Molecular formula: K3PO4
Molecular Weight: 212.28
Properties: colorless rhombic crystal or white crystalline powder, relative density d172.564, m.p. 1340 ℃ . Soluble in water, insoluble in alcohols, has strong corrosiveness, pH of 1% solution is 11.8
Uses: Used in production of liquid soap, gasoline refinery, high quality paper making; Used as a N&K fertilizer; Used as a water softener for boiler; also used in pharmaceutical industry.
Packing and storage: 25kg, 50kg net bags, store at a clean, dry and draughty place, avoid moisture..
Standard executed: Reference standard
Item |
Industrial Grade |
Assay(K3PO4), % ≥ |
97.0 |
P2O5, % ≥ |
32.6 |
Potassium oxide (dry basis), % ≥ |
65.0 |
Water insoluble, % ≤ |
0.10 |
pH-value, |
11.5-12.5 |
Arsenic, % ≤ |
-- |
Heavy metal (as Pb), % ≤ |
-- |
Loss on Drying, % ≤ |
3.0 |
|