Molecular formula:KH2PO4
Molecular weight:136.09
CAS Number:7778-77-0
Standard executed:HG2321-1992
Appearance:White crystal or powder,allowed with micro color for agriculture grade.
Usage:Used as highly effective composite fertilizer,germ cultivater,nourishing supplement for feed.
Packaging：25Kg、50Kg,1000Kg bags or according to customer's demand .
Specification
| Item | Value | |||
| Industrial | Agriculture Grade | |||
| First calss | Qualified | First calss | Qualified | |
| Main contents(Dry basis) W/% ≥ | 98.0 | 97.0 | 96.0 | 92.0 |
| Moisture W/% ≤ | 2.5 | 3.0 | 4.0 | 5.0 |
| PH of 1% water solution | 4.3-4.7 | 4.3-4.7 | ||
| Water insoluble W/% ≤ | 0.2 | 0.5 | - | - |
| Chloride,as Cl W/% ≤ | 0.20 | - | - | - |
| Sulphate,as SO4 W/% ≤ | - | - | - | - |
| Iron（Fe) W/% ≤ | 0.003 | - | - | - |
| Arsenic,as As W/% ≤ | 0.005 | - | - | - |
| Heavy metals,as Pb W/% ≤ | 0.005 | - | - | - |
| Potassium oxide(Dry basis) ≥ | 33.9 | 33.5 | 33.2 | 31.8 |