White crystalline or powder,slightly moisture absorption, bitter, neutrality,nontoxic.dissolve in water. Molecular ... Ca(HCOO)2M.W.:130.0Physicochemical Property White crystalline or powder,slightly moisture absorption, bitter, neutrality,nontoxic.dissolve in water.Specific ... . AppearanceWhite crystalContent % ≥98.00Moisture % ≤0.40Ca % ≥30.00Pb % ≤0.003 calcium formate