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Home » Product List » Potassium Phosphate » Monopotassium Phosphate (MKP)
Product Details
Monopotassium Phosphate (MKP)
Synonyms: Mono Potassium Phosphate; Potassium Dihydrogen Phosphate; Potassium Phosphate Monobasic; Potassium Dihydrogenorthophosphate
Chemical formula: KH2PO4
Molecular weight: 136.09
Standard executed: HG/T2321-1992
CAS No.: 7778-77-0
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
Application:
1. Mainly used in medical and electronic industry, and also used to manufacture potassium salt of polyphosphate;
2. Used as a non-chloride high effective K and P compound fertilizer; It contains totally 86% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.
Packaging: 25kg in plastic woven bag with polythene liner; Stored in ventilated and dry place.
| No | Specifications | Technical Grade | Food grade |
| 1 | Main content | 99.0% min. | 99.0% min. |
| 2 | P2O5 | 51.50% min. | 51.50% min. |
| 3 | K2O | 34.0% min. | 34.0% min. |
| 4 | Chloride, as Cl | 0.2% max. | 0.02% max. |
| 5 | pH of 1% water solution | 4.4-4.8 | 4.4-4.8 |
| 6 | Moisture | 0.20% max. | 0.20% max. |
| 7 | Heavy metal, as Pb | - | 0.001% max. |
| 8 | Arsenic, as As | - | 0.0003% max. |
| 9 | Fluoride ,as F | - | 0.002% max. |
| 10 | Water insoluble | 0.10% max. | 0.05% max. |
