| Customization: | Available |
|---|---|
| CAS No.: | 7778-77-0 |
| EINECS: | Kh2po4 |
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Product: Potassium dihydrogen phosphate(MKP)
Related word: potassium dihydrogen phosphate fertilizer, white granular powder, potassium dihydrogen phosphate dihydrate, potassium dihydrogen phosphate for plants, potassium dihydrogen phosphate monohydrate
Molecular formula: KH2PO4
Molecular weight: 136.09
Properties: Colorless tetragonal crystal or white crystalline powder. Relative density 2.338. The melting point is 252.6 ºC. Soluble in water (83.5g/100ml water at 90 ºC), the aqueous solution is acidic, and the pH value of 1% potassium dihydrogen phosphate solution is 4.6. Insoluble in alcohol. It has deliquescence. When heated to 400 ºC, it is melted into a transparent liquid, and solidified into opaque glassy potassium metaphosphate after cooling.
Applications:Used as buffer and culture agent in industry; In agriculture, it is used as high efficiency phosphate and potassium compound fertilizer; Food grade as food improvement additive.
| Specifications | Index |
| KH2PO4 | 99.5~100.5% |
| As | ≤0.0002% |
| Pb | ≤0.001% |
| pH | 4.2~4.5 |
| Water insoluble | ≤0.002% |
| Na | ≤0.02% |
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