Sudan IV

noun
\ -ˈfō(ə)r How to pronounce Sudan IV (audio) \

Medical Definition of Sudan IV

: a red disazo solvent dye used chiefly as a biological stain and in ointments for promoting the growth of epithelium (as in the treatment of burns, wounds, or ulcers)

called also scarlet red

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“Sudan IV.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Sudan%20IV. Accessed 25 Feb. 2021.

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