Molecular formula: K3PO4.nH2O(n= 0,3) Molecular weight: 212.27 (n=0 ) ?(n=3) Standards: Q/WWY19-2003 Properties: White or colorless crystal, easily soluble in water Guaranteed Technical Specification: Specifications Anhydrous K3PO4 Trihydrate (K3PO4.3H2O) Appearance White Powder White or Colorless crystal powder Main contents,as K3PO4 % >=98.0 >=97.0 P2O5 % >=32.8 >=26.0 K2O % >=65.0 -- PH value 11.5-12.5 11.5-12.5 Water insoluble matter % <=0.1 <=0.1 Fluoride, as F % -- -- Heavy metals, as Pb % -- <=0.005 Arsenic, as As % -- <=0.005 Chlorides, as Cl % -- -- Sulphates, as SO42 % -- -- Uses: Used to make liquid soap, P+K fertilizer and softener of boiler water, also used as emulsifier and potassium strengthener in food industry. Packing and storage: 25kg or 50kg woven bag with plastic liner stored at a cool, dry and well ventilated place.