1. Used as a versatile desiccant, such as for drying gases like nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide, etc. It serves as a dehydrating agent in the production of alcohols, esters, ethers, and acrylic resins. Calcium chloride aqueous solution is an important refrigerant for refrigerators and ice making, accelerates the hardening of concrete and enhances the cold resistance of building mortar, making it an excellent construction antifreeze. It is used as a fog dispersant at ports, a road dust collector, and a fabric fire retardant. It acts as a protective agent and refining agent in aluminum-magnesium metallurgy. It is a precipitating agent for producing lake pigments. Used in deinking during waste paper processing. It is a raw material for producing calcium salts.

2. Chelating agent; curing agent; calcium fortifier; refrigerant for freezing; desiccant; anti-caking agent; microbial inhibitor; pickling agent; tissue improver.

3. Used as a desiccant, road dust collector, fog dispersant, fabric fire retardant, food preservative, and for the manufacture of calcium salts.

4. Used as a lubricant additive.

5. Used as an analytical reagent.

6. Mainly used to treat tetany caused by reduced blood calcium, urticaria, exudative edema, intestinal and ureteral colic, magnesium poisoning, etc.

7. In the food industry, it is used as a calcium fortifier, curing agent, chelating agent, and desiccant.

8. Can increase the permeability of bacterial cell walls.