... for over 10 years •Product Name:Calcium Formate,•CAS Number:544-17-2 •Molecular Formula: ... , for silage and in the tannery. CompositionSpecification(Tech grade)(Purity),wt. % ,min98(Ca content),wt. % ... of 10% water solution)6.5-7.5 CompositionSpecification(Feed grade)(Purity),wt. % ,min98(Ca content),wt. % ... (%)≤0.0002AppearanceWhite crystalline powder 98% Feed Grade and Tech Grade Calcium formate