... 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 ... (Dry weight loss),wt. % ,max0.5(PH of 10% water solution)6.5-7.5As(%) ≤0.0005Pb(%)≤0.0002AppearanceWhite crystalline powder Industrial ...