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Calcium hydroxide


Calcium hydroxide is an inorganic compound which comes in the form of a colourless crystal or white powder and is produced when quicklime is mixed with water.

CAS Number
Hydrated lime, caustic lime, builders' lime, slaked lime, cal, pickling lime
Chemical Formula


Water Treatment

• Employed in water and sewage treatment to neutralize acidic water and as a flocculant

Food Additives

• Breaking down the hemicellulose, the major component of the cell wall in corn, making it easier to grind and digest


• Adjusting the pH of acidic soils and providing important nutrients for plant growth, mainly calcium


• In the making of mortars and plasters
• Calcium hydroxide is used in dentistry as a pulp capping agent and in endodontic procedures

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