News
Date：Jan 19 , 2026
Views：116 Anhydrous calcium chloride is a widely used chemical substance, mainly used in various fields such as desiccants, snow melting agents, building additives, industrial aids, and food additives.
Drying and dehydration applications:
Efficient desiccant: Anhydrous calcium chloride has strong moisture absorption ability and can efficiently adsorb moisture from gases or liquids. It is commonly used for laboratory drying gases (such as nitrogen, oxygen, hydrogen, etc.) and industrial moisture-proof packaging.
Chemical dehydrating agent: used as a dehydrating agent in the production of chemical products such as alcohols, esters, ethers, and acrylic resins.
Snow melting, building and industrial additives
Snow melting and de icing agent: When anhydrous calcium chloride is dissolved in water, it releases heat and significantly lowers the freezing point of water, effectively accelerating the melting of ice and snow. Its operating temperature can reach below -20 ℃, and it is widely used for winter snow removal on roads, airports, and other places.
Building antifreeze and early strength agent: Adding a small amount of anhydrous calcium chloride to concrete can shorten the setting time (promote setting), improve early strength, and increase the cold resistance of building mortar, especially in low-temperature environments, which can improve construction efficiency.
As an antifreeze agent, it can accelerate the hardening of concrete.
It also has the functions of low temperature early strength and lowering freezing point.
Industrial process auxiliary agents:
Aluminum magnesium metallurgy: used as a protective agent and refining agent.
Petrochemical industry: used for drilling fluids, completion fluids, and dehydration fluids.
Preparation of calcium salts: It is a raw material for producing various calcium salts (such as calcium phosphate)
Other: Used as a precipitant for producing lake pigments, a de ink agent for waste paper processing, etc.
Food, medicine and other fields:
Food additives:
Coagulant and fortifier: used as coagulant in tofu production to coagulate soybean milk; It can also be used as a calcium fortifier, hardener, and chelating agent in various food processing applications.
Anti corrosion and color protection: used as a food preservative; Soaking fruits and vegetables can have a color preserving effect.
Medical application: It can be used to supplement calcium in the human body and treat diseases caused by calcium deficiency, such as hand and foot convulsions; Also used for medical experiments or specific treatment processes.
Other special purposes:
Defoamer and dust collector: used for port defogging and road dust collection.
Fabric fire retardant: improves the fire resistance of fabrics.
Refrigerant: Its aqueous solution is an important refrigerant used in refrigerators and ice making.
Phase change energy storage material: Hydrated calcium chloride solid can be used as a medium to low temperature phase change energy storage material for industrial waste heat recovery, etc.
