... Number:544-17-2 •Molecular Formula:Ca (HCOO)2 •Molecular Weight:130.12 •Appearance:White, free flowing powder•Package: 25 kg ... content),wt. % ,min30.1(Heavy metals),(Pb)---(Water insoluble),.---(Dry weight loss),wt. % ,max0.5(PH of 10% water solution)6.5 ... (Heavy metals),(Pb)0.001(Water insoluble),.0.3(Dry weight loss),wt. % ,max0.5(PH of 10% water solution)6.5 ...