Molecular formula: KH2PO4
Molecular weight: 136.09
Standard executed: HG/T4511-2013(TG)/GB25560-2010(FG)
Properties:
White or colorless crystal, easily soluble in water, relative density at 2.338, melting point at 252.6℃℃, and PH value of 1% solution is 4.5
Guaranteed Technical Specifications:
No. | Specifications | Industrial Grade | Food Grade |
1 | Main contents(as KH2PO4 ) min% | 99.0 | 99.0 |
2 | Phosphorus pent oxide(as P2O5) min% | 51.5 | 51.5 |
3 | Potassium oxide min% | 33.9 | 33.9 |
4 | PH | 4.3-4.7 | 4.2-4.7 |
5 | Moisture max% | 0.3 | 0.3 |
6 | Heavy metals(as Pb) max% | 0.001 | |
7 | Arsenic(as As) max% | 0.0003 | |
8 | Fluoride(as F) max% | 0.001 | |
9 | Water insoluble max% | 0.1 | 0.2 |