Product Description
Potassium Dihydrogen Phosphate
Monopotassium phosphate, MKP, (also potassium dihydrogen phosphate, KDP, or monobasic potassium phosphate), KH2PO4, is a soluble salt of potassium and the dihydrogen phosphate ion which is used as a fertilizer, a food additive and a fungicide. It is a source of phosphorus and potassium. It is also a buffering agent. When used in fertilizer mixtures with urea and ammonium phosphates, it minimizes escape ofby keeping the pH at a relatively low level.
Single crystals are paraelectric at room temperature. At temperatures below −150°C (−238°F) they become ferroelectric.
| Chemical Name | potassium dihydrogen phosphate |
| Synonyms | Potassium phosphate;Potassium dihydrogen phosphate; |
| CAS No. | 7778-77-0 |
| Molecular Formula | H2KO4P |
| Molecular Weight | 136.08600 |
| PSA | 90.40000 |
| LogP | -0.49040 |
| Appearance & Physical State | White powder |
| Density | 2.338 |
| Boiling Point | 158ºC at 760 mmHg |
| Melting Point | 252.6ºC |
| Stability | Stable under normal temperatures and pressures. |
| Storage Condition | Store at RT. |
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