Calcium oxide

CAS Registry Number®

1305-78-8
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CAS Name

Calcium oxide

Molecular Formula

CaO

Cite this Page

Calcium oxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=1305-78-8 (retrieved 2024-03-19) (CAS RN: 1305-78-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    2850 °C
  • Melting Point (1)

    2572 °C
  • Density (2)

    3.3-3.4 g/cm³

Source(s)

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

Other Names and Identifiers

InChI

InChI=1S/Ca.O

InChIKey

InChIKey=ODINCKMPIJJUCX-UHFFFAOYSA-N

SMILES

[Ca]=O

Canonical SMILES

O=[Ca]

Other Names for this Substance

  • Calcium oxide (CaO)
  • Calcium oxide
  • Calx
  • Calcium monoxide
  • Caloxol W 3

Deleted or Replaced CAS Registry Numbers

12610-14-9, 60873-85-0, 104624-96-6, 245321-52-2, 2529596-16-3, 2641773-61-5, 2721380-79-4, 2982928-23-2

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