Image:Merbromin-Anti-Infective.jpgthumb|200px|right|A currently banned bottle of US Mercurochrome.
'''Mercurochrome''' is the trade name of merbromin antiseptic tinctures made of merbromin and alcohol or water (usually 2% merbromin to 98% alcohol or water).
Its antiseptic qualities were discovered by Johns HopkinsPhysiciandoctorHugh Young in 1919. The chemical soon became popular among parents and doctors for everyday antiseptic uses and it was very commonly used for minor injuries in the schoolyard, where children nicknamed the tincture 'Monkey Blood'. The FDA removed it from the "generally recognized as safe" and into the 'untested' classification to effectively halt its distribution in the United States in the 1990s over fears of potential mercury poisoning. It is readily available in most other countries.
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