What is Calcium Carbonate

The main use of calcium carbonate is in the construction industry, either as a building material or limestone aggregate for road building or as an ingredient of cement. In the oil industry, it is added to drilling fluids and it is also added as a raw material in the refining of sugar. Another popular usage is as an extender in paints, in particular matte emulsion paint.

  • Synonyms: Argonite, Calcite, Chalk, Lime (material), Lime stone, Marble, Oyster, Pearl
  • INCI: Calcium Carbonate
  • Chemical Formula: CaCO3
  • CAS Number: 471-34-1

Product Specifications

Chemical Formula CaCO3
CAS Number 471-34-1
Molar Weight 100.086g/mol
Specific Gravity 2.70- 2.71
Melting Point 825 °C
Forms Fine white powder chalky taste
Grades Feed Food Pharma Technical
Variations Granular Powder

Uses and Applications for Calcium Carbonate

Key Applications

  • Adhesives and sealants
  • Agricultural products (non-pesticide)
  • Automotive care products
  • Oil and gas exploration
  • Paints and coatings
  • Paper products
  • Personal care products


  • Water Treatment
  • Food and Nutrition
  • Solvents
  • Polymers
  • Pharma
  • Oil & Gas
  • Cleaning
  • Lubricants
  • Cosmetics
  • Agriculture
  • Coatings & Construction

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