... AMSP MONOSODIUM PHOSPHATE:1, Formula : NaH2PO4·XH2O(X is 0,1,2) 2, Molecular weight: 156.023, Melting Point ... 6, Main content: 98.0 pct min7, P2O5: 58.0 pct min8, NaO: 25.0 pct max9, PH of 1 ... Chloride, as CI: 0.003 pct max11, Water insoluble: 0.1 pct max12, Heavy metal, As Pb: 0.001 pct max13, Arsenic, ... as AS 0.0003 pct max ...