... :0.003% 5,Water insoluble:0.1% 6,Form:white crystal AMSP MONOSODIUM PHOSPHATE:1, Formula : NaH2PO4·XH2O(X is ... 0,1,2) 2, Molecular weight: 156.023, ... 0 pct min8, NaO: 25.0 pct max9, PH of 1% solution: 4.2-4.8 10, Chloride, as CI: 0. ... 003 pct max11, Water insoluble: 0.1 pct max12, Heavy metal, As Pb: 0.001 pct max13 ...