Mono Potassium Phosphate (MKP) CAS NO.:7778-77-0 EINECS NO.:231-913-4 FORMULA:KH2PO4 MOLECULAR WEIGHT:136.08 Properties : White crystals,Soluble in water easily, water solution is acid.PH of 1% water solution is 4.5. Density 2.338, melting point at 252.6ºC. Specification: Appearance:White Cryslals Main content: 99.0%Min Pho sphorusPen toxide:5.15%Min Potassium oxide,as K2O: 34.0% Min PH value of 1% solution: 4.2-4.8 Moisture : 0.2%Max Water Insoluble:0.1% Max Iron(Fe) : 0.003% Max Chloride as C1 : 0.2% Max Packing: Plastic knit bag ,Net weight 25kg, Store at ventilated dry place. Application : Used to manufacture meta phosphates in medica. Used as a high effective nonchlo-ride P,K compound fertilizer in agriculture; It contains totally 86% fertilizer elements . May used as a basic raw materiais for N,P,Kcompound fertilizer.