Tags: Chemical Compound, Chemical Substance.

Auramine O is a diarylmethane dye used as a fluorescent stain. In its pure form Auramine O appears as yellow needle crystals. It is very soluble in water and soluble in ethanol.Auramine O can be used to stain acid-fast bacteria (e.g. Mycobacterium where it binds to the mycolic acid in its cell wall) in a way similar to Ziehl-Neelsen stain.

Auramine_O_Formula_V.1.svg
IUPAC name
bis[4-(dimethylamino)phenyl]methaniminium chloride

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