Iron

CAS Registry Number®

7439-89-6

CAS Name

Iron

Molecular Formula

Fe

Molecular Mass

55.85

Cite this Page

Iron.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=7439-89-6 (retrieved 2025-07-18) (CAS RN: 7439-89-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    3000 °C

  • Melting Point (1)

    1535 °C

  • Density (1)

    7.86 g/cm³

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/Fe

InChIKey

InChIKey=XEEYBQQBJWHFJM-UHFFFAOYSA-N

SMILES

[Fe]

Canonical SMILES

[Fe]

Other Names for this Substance

  • Iron
  • Iron element
  • Loha
  • Armco iron
  • EO 5A

View All

Deleted or Replaced CAS Registry Numbers

8011-79-8, 8053-60-9, 39344-71-3, 70884-35-4, 73135-38-3, 129048-51-7, 161135-39-3, 190454-13-8, 195161-83-2, 199281-22-6, 443783-52-6, 490018-39-8, 675141-17-0, 1867181-06-3, 2230894-10-5