1.74% and 77% Calcium Chloride Flakes 2.CAS:10035-04-8 3.Appearence: White ... in highway, expressway, parking lot and port. As dryer to dry nitrogen, oxygen, hydrogen, hydrogen chloride and sulfur dioxide. Act as dehydration ... agent when producing alcohol, ester, aether and crylic acid etc 74% and 77% Calcium Chloride Flakes