Calcium hydroxide

Other names: hydrated lime, slaked lime, calcium hydroxide, building lime, fat lime, chemical lime, finishing lime, Mason’s lime, calcium dihydroxide, lime, lime water

CAS No.: 1305-62-0

EC No.: 215-137-3

REACH No.: 01-2119475151-45-xxxx

Chemical formula: Ca(OH)2

Physical form: White to beige powder

ADR: –

Odor: Odorless

Melting/freezing point: > 450°C

Relative density: 2.24 g/cm3

Description

Calcium hydroxide, also known as quicklime, is a white, inorganic substance with a crystalline structure. It occurs as a powder in its pure form. It is soluble in water, forming an alkaline solution, which makes it useful in many industrial and agricultural applications. In construction, it is used in the production of mortars and as a component of cement due to it binding properties. In agriculture, it is used as a calcium fertilizer to regulate soil pH and improve its structure. Additionally, it is used as a disinfectant in sewage treatment plants and as an ingredient in some cosmetic products, where it can act as a pH stabilizer.

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