Molecular formula: KH2PO4 Molecular weight: 136.09 Standard executed: HG2321-1992 CAS Number: 7778-77-0 Properties: White or colorless crystal, easily soluble in water, relative density at 2.338g/cm3, melting point at 252.6 ¡æ , and PH value of 1% solution is 4.5. Uses: Used to manufacture metaphosphate in medical or food industry. Used as a 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. Packing and storage: In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place. Guaranteed Technical Specifications :