Calcium Hydroxide

Calcium hydroxide is an inorganic compound with the chemical formula Ca(OH)2. It is a colorless crystal or white powder and is obtained when calcium oxide is mixed or slaked with water. A suspension of Calcium hydroxide particles in water is called Milk of Lime; the particles give it the milky aspect

Synonyms
Calcium dihydroxide, Slaked lime, Hydrated lime, Lime, Milk of lime, E526
Chemical Formula
Ca(OH)2
CAS Number
1305-62-0

Characteristics

Molar Weight
74.093 g/mol
Melting Point
580 °C
Density
2.211 g/cm³ (solid)
Forms
Powder, Liquid, White, Colourless

Uses and Applications

Key applications

  • Beverage processing
  • Food and Nutrition
  • Wastewater treatment
  • Water treatment
  • Oil and Gas
  • Pulp and paper
  • Building & Construction products