Calcium hydroxide

CAS Registry Number®

1305-62-0
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CAS Name

Calcium hydroxide

Molecular Formula

CaH2O2

Cite this Page

Calcium hydroxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1305-62-0 (retrieved 2024-06-19) (CAS RN: 1305-62-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    580 °C (decomp)
  • Density (2)

    2.24 g/cm³

Source(s)

  • (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
  • (2) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/Ca.2H2O/h;2*1H2/q+2;;/p-2

InChIKey

InChIKey=AXCZMVOFGPJBDE-UHFFFAOYSA-L

SMILES

[Ca](O)O

Canonical SMILES

O[Ca]O

Other Names for this Substance

  • Calcium hydroxide (Ca(OH)2)
  • Calcium hydroxide
  • Lime water
  • Hydrated lime
  • Milk of lime

Deleted or Replaced CAS Registry Numbers

1333-29-5, 7719-01-9, 1351974-67-8

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