Ferric Oxide Black
Excipient (pharmacologically inactive substance)
Medically reviewed by Drugs.com. Last updated on Jun 23, 2018.
What is it?
FDA has regulatory review for color additives used in foods, drugs, cosmetics, and medical devices. Ferric oxide black (Fe3O4), also known as iron (III) oxide, is a coloring agent for tablets and capsules used in the pharmaceutical industry. Iron oxides are also commonly used in the cosmetics industry. Iron oxides for use in pharmaceutical manufacturing may also be synthetic.
 Dave RH. Overview of pharmaceutical excipients used in tablets and capsules. Drug Topics (online). Advanstar. 10/24/2008 http://drugtopics.modernmedicine.com/drugtopics/Top+News/Overview-of-pharmaceutical-excipients-used-in-tabl/ArticleStandard/Article/detail/561047. Accessed 08/19/2011
 U.S. Food and Drug Administration. Color Additives: FDA's Regulatory Process and Historical Perspectives. Accessed 10/20/2011. http://www.fda.gov/ForIndustry/ColorAdditives/RegulatoryProcessHistoricalPerspectives/default.htm
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