Calcium Chloride

Calcium chloride is an inorganic, white crystalline salts which is highly soluble in water. It can be created by neutralising hydrochloric acid with calcium hydroxide or as a by-product from the Solvay process to generating Sodium Carbonate from the reaction of Sodium Chloride brine with Calcium Carbonate.


Molar Weight110.98 g/mol
Melting Point175°C (dihydrate)
Boiling Point
Flash Point
Specific Gravity1.85 g/cm³ (dihydrate)
Particle Size

Uses and Applications

Key applications

  • Beverage processing
  • Food additive
  • Water treatment
  • De-icer
  • Pulp and paper
  • Agricultural
  • Personal care
  • Cosmetic products


  • Pulp & Paper
  • Pharma
  • Oil & Gas
  • Cleaning
  • Coatings & Construction
  • Polymers
  • Mining
  • Cosmetics
  • Water Treatment
  • Food
  • Animal Nutrition
  • Agrobusiness
  • Lubricants
  • Chemical Processing
  • Rubber

Synonyms: Calcium Dichloride, E509

Chemical Formula: CaCl2

CAS Number: 10043-52-4 (anhydrous), 10035-04-8 (dihydrate), 25094-02-4 (tetrahydrate), 7774-34-7 (hexahydrate)