What are the active ingredients in MELT Calcium Chloride Crystals? MELT Calcium Chloride Crystals active ingredients are as follows: ACTIVE INGREDIENTS: Sodium Chloride CAS No. 7647-14-5 Calcium Chloride CAS No. 10043-52-4 Related articles Snow Joe MELT10EB-J Premium Enviro Blend Ice Melter w/ CMA | 10-Lbs. Is it okay to use MELT Calcium Chloride Crystals on stone surfaces? Wicked Ice and Snow Melt + Deicer | 50 Lb. Round Pale | Works to -15°F How should packages of MELT Premium Enviro Blend Ice Melter be stored? What temperature do MELT Calcium Chloride Crystals melt to?