... high quality,competitive price,prompt shipment ISO certifified Calcium Chloride Dihydrate ( cacl2 ) 72% min Powder - CAS: 10043-52-4 1. Calcium ... Chloride Dihydrate Powder, Purity: 72% min, 74%min, 77%min,80% min ... as dehydration agent when producing alcohol, ester, aether and crylic acid. Calcium chloride is a kind of important cryogen used by ...