CALCIUM CHLORIDE POWDER FLAKES GRANULAR Calcium Chloride:features:colorless cubic crystal. white or white porous or grain, ... become dihydrate. Add heat to 260 it becomes water porous calcium chlorde,anhydrous.use:Used in highway, expressway, parking lot and ... dehydration agent when producing alcohol, ester, aether and crylic acid. Calcium chloride is a kind of important cryogen used by freezing machine ...