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Chemical database: Calcium hydroxide

chemistry tutorials - calcium hydroxide

Chemical formula Ca(OH)2
Molar mass 74.09 g mol -1
Density 2.21 g cm -3
Melting point decomposition (~ 550 °C)
Boiling point -
Solubility 0.17 g in 100 mL H2O (20 °C)
CAS number 1305-62-0
Hazards chemistry tutorials - calcium hydroxide - additional data: (R:37/38-41)(S:26-39)

Calcium hydroxide, also known as slaked lime, is a common inorganic compound that comes in form of a white powder. This compound has many uses - it is used as a flocculant in water treatment, as a common chemical reagent, as an ingredient in the production of various construction materials, as a supplement, in metallurgy and in various other branches of industry.

Calcium hydroxide (slaked lime) can be found in large bags or buckets at stores that sell construction materials and equipment. It can also be obtained by a reaction of calcium oxide with water, which also produces a lot of heat. Alternatively, if higher purity is desired, it can be produced by mixing aqueous solutions of calcium chloride and sodium hydroxide, or ordered from chemical selling companies.

 

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