Molecular formula: KH2PO4
Molecular weight: 136.09
CAS No. : 7778-77-0
Executive standard: HG2321-1992
Appearance: Potassium dihydrogen phosphate is white crystalline or powder. Agricultural potassium dihydrogen phosphate is allowed to be slightly colored.
Uses: as high - efficiency p - K compound fertilizer, bacterial culture agent, private nutritional supplements.
Packing: 25Kg, 50Kg bags; Collection ton bag; Customer requirements.
Technical indicators: HG 2321-1992
| Item |
Indicator |
| industrial grade |
agricultural grade |
| first grade |
qualified product |
first grade |
qualified product |
| Potassium Phosphate Monobasic (KH2PO4as dry basis),W/% ≥ |
98.0 |
97.0 |
96.0 |
92.0 |
| Moisture,w/% ≤ |
2.5 |
3.0 |
4.0 |
5.0 |
| PH |
4.3-4.7 |
4.3-4.7 |
| water insolubles,w/% ≤ |
0.2 |
0.5 |
- |
- |
| chloride(Cl),w/% ≤ |
0.20 |
- |
- |
- |
| sulfate(as SO4),w/% ≤ |
- |
- |
- |
- |
| ferrum (Fe),w/% ≤ |
0.003 |
- |
- |
- |
| arsenic (As),w/% ≤ |
0.005 |
- |
- |
- |
| heavy metal (as Pb),w/% ≤ |
0.005 |
- |
- |
- |
| potassium oxide (K2Oas dry basis),w/% ≥ |
33.9 |
33.5 |
33.2 |
31.8 |
|
湖北省瑞琪化工有限公司
Hubei Ruiqi Chemicals Co., Ltd.
