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Ferric Oxide

In some countries, this medicine may only be approved for veterinary use.



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Therapeutic Categories

Food additive (e number)

Pharmaceutic aid

Antianemic agent, treatment of iron deficiency

Chemical Names

Diiron trioxide

Iron(III) oxide

Foreign Names

  • Ferrum oxydatum (Latin)
  • Eisenoxid (German)
  • Oxyde ferrique (French)

Generic Names

  • Burnt umber (IS)
  • CCRIS 7330 (IS)
  • E 172 (IS)
  • Eisenoxid, kolloidal (IS)
  • English Red (IS)
  • Ferric Oxide, Colloidal (IS)
  • Ferrum oxydatum colloidale (IS)
  • Hematite mineral (IS)
  • Indian red (IS)
  • Natural iron oxides (IS)
  • Natural Red Oxide (IS)
  • Red oxide of iron (IS)
  • Rouge (IS)
  • Stone Red (IS)
  • UNII-1K09F3G675 (IS)
  • Venetian Red (IS)
  • Vitriol Red (IS)
  • Yellow oxide of iron (IS)
  • Ferric Oxide (PH: NF 33)

Brand Names


ISInofficial Synonym
NFThe National Formulary (USA)
PHPharmacopoeia Name

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.