... quality and purity 4, Reasonable price 5, Assured shipment date •Product Name:Calcium Formate, technical grade•CAS Number:544-17-2 • ... building industry, for silage and in the tannery. CompositionSpecification(Tec grade)(Purity),wt. % ,min98(Ca content),wt. % ,min30 ... . % ,max0.5(PH of 10% water solution)6.5-7.5As(%) ≤0.0005Pb(%)≤0.0002AppearanceWhite crystalline powder Calcium Formate Tech grade 98%