Cerium

CAS Registry Number®

7440-45-1

CAS Name

Cerium

Molecular Formula

Ce

Molecular Mass

140.12

Cite this Page

Cerium.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=7440-45-1 (retrieved 2025-07-10) (CAS RN: 7440-45-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    799 °C (polymorph)

  • Density (2)

    6.773 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/Ce

InChIKey

InChIKey=GWXLDORMOJMVQZ-UHFFFAOYSA-N

SMILES

[Ce]

Canonical SMILES

[Ce]

Other Names for this Substance

  • Cerium
  • NSC 158935
  • MeSH ID: D002563

Deleted or Replaced CAS Registry Numbers

110123-49-4, 196959-41-8

CAS INSIGHTSTM
Aspergillus fungus, computer illustration. This is a toxic fungus that causes diseases in humans.