Potassium Dihydrogen Phosphate (7778-77-0)
1. Basic Information
1. Chemical Name: Potassium Dihydrogen Phosphate
2. Chinese Aliases: 磷酸二氢钾; 磷酸一钾; MKP
3. English Name: Potassium Phosphate Monobasic
4. Molecular Formula: H2KO4P
5. Molecular Weight: 136.08
6. CAS Number: 7778-77-0
7. EINECS Number: 231-913-4
8. Appearance: White powder or crystalline granules, odorless, soluble in water.
2. Technical Parameters
| Item | Standard |
|------|---------|
| Premium | First Grade | Qualified |
| Potassium Dihydrogen Phosphate (KH2PO4, dry basis) w/% ≥ | 99.0 | 98.0 | 97.0 |
| Potassium Oxide (K2O, dry basis) w/% ≥ | 34.0 | 33.5 | 33.0 |
| Moisture w/% ≤ | 0.5 | 1.0 | 2.0 |
| Chlorides (as Cl) w/% ≤ | 0.05 | 0.2 | - |
| Iron (Fe) w/% ≤ | 0.003 | 0.008 | - |
| Arsenic (As) w/% ≤ | 0.005 | 0.015 | - |
| Heavy Metals (as Pb) w/% ≤ | 0.005 | 0.008 | - |
| Water-insoluble matter w/% ≤ | 0.1 | 0.2 | 0.5 |
| pH (30 g/L solution) | 4.3~4.7 |
(Above parameters are for reference only, the actual values are based on the factory inspection report.)
3. Packaging
25 kg bag