Monopotassium phosphate (First grade, Upper grade ) (CF-MKP711/CF-MKP712) Molecular formula: KH2PO4 Molecular weight: 136.09 Model No.: CF-MKP711 (First grade) CF-MKP712(Upper grade ) Standards:HG2321-2008 Property: white or colorless crystal, easily soluble in water, relative density at 2.338,melting point at 252.6íµ,and pH value of 1% solution is 4.5. Specification First grade Upper grade Appearance White crystal White crystal Main contents % í¦99.0 99.0 P2O5 Content %í¦ 51.5 51.5 K2O Content %í¦ 34.0 34.0 Moisture %í_ 0.2 0.2 Water insoluble matter %í_ 0.1 0.1 Heavy metal(base on Pb) %í_ ---- 0.001 Arsenic (base on As) %í_ ---- 0.0003 Fluoride (base on F) %í_ ---- 0.005 Use: Used to manufacture meta-phosphate in medical and 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: 25kg woven bag with plastic liner.