... 02-4 (tetrahydrate), 7774-34-7 (hexahydrate)Synonyms: Calcium(II) chloride, Calcium dichloride, E509Calcium chloride, also called CaCl2, is a colorless cubic ... . As a common raw material of salts, calcium chloride can obtain the required equilibrium temperature by adjusting its ... can not be applied in reinforced concrete, because the chloride ion may cause corrosion to reinforcing steel. However, the ...