Mono Potassium Phosphate MKP 0 52 34 Water Soluble Fertilizer is the inorganic chemical with the formula KH₂PO₄, it is a colorless crystal, molecular weight 136.09. density 2.338. Melting point 252.6 ℃. The refractive index is 1.5095 (20 ℃). Stable in dry air and deliquescent. Welcome to visit our official website : http://www.chemicalphosphate.com