Monopotassium Phosphate - KH2PO4

CAS No.: 7778-77-0
H.S. Code: 28352400
Properties:
1. Appearance: white or colorless crystal;
2. Solubility: easily soluble in water;
3. Relative density: 2.338;
4. Melting point: 252.6 degree centigrade;
5. pH: water solution is acid, and pH value of 1% water solution is 4.5

Technical specifications:
1.Industrial grade:
(1)Main content: 99.0% min.
(2)P2O5: 51.5% min.
(3)K2O: 34.0% min.
(4)pH of 1% water solution: 4.4-4.8
(5)Water insoluble: 0.10% max.
(6)Moisture: 0.2% max.
(7)Chloride, as Cl: 0.2% max.
2.Food grade:
(1)Main content: 99.0% min.
(2)P2O5: 51.5% min.
(3)K2O: 34.0% min.
(4)pH of 1% water solution: 4.4-4.8
(5)Water insoluble: 0.05% max.
(6)Arsenic, as As: 0.0003% max.
(7)Fluoride, as F: 0.002% max.
(8)Heavy metal, as Pb: 0.001% max.
(9)Moisture: 0.2% max.
(10)Chloride,as Cl: 0.02% max.