Iron oxide (Fe2O3)

CAS Registry Number®

1309-37-1
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CAS Name

Iron oxide (Fe2O3)

Molecular Formula

Fe2O3

Cite this Page

Iron oxide (Fe2O3).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1309-37-1 (retrieved 2021-05-13) (CAS RN: 1309-37-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    565 °C
  • Density (1)

    5.24 g/cm3

Source(s)

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

Other Names and Identifiers

Other Names for this Substance

  • Iron oxide (Fe2O3)
  • Caput mortuum
  • Colloidal ferric oxide
  • Deanox
  • Ferrugo

Deleted or Replaced CAS Registry Numbers

1343-09-5, 8011-97-0, 8049-50-1, 12000-93-0, 12002-17-4, 12227-87-1, 60880-86-6, 65455-44-9, 65637-71-0, 88528-26-1, 90452-21-4, 110736-41-9, 118277-31-9, 129131-59-5, 131874-41-4, 135507-53-8, 147229-90-1, 147229-91-2, 160186-10-7, 177715-24-1, 185464-44-2, 188357-78-0, 220787-06-4, 253310-52-0, 448923-71-5, 741267-31-2, 1115688-11-3, 1146982-11-7, 1210992-56-5, 1382787-02-1, 1397708-80-3, 1430053-95-4, 2001597-72-2, 2361022-24-2, 2564724-57-6