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a crystalline hydrocarbon, C14h10, from coal tar, used in making dyes.


A dye, dye intermediate, and antiseptic precursor (for example, 9-aminoacridine, acriflavine, proflavine hemisulfate) derived from coal tar and irritating to skin and mucous membranes; a potent mutagen.
Synonym(s): dibenzopyridine


A dye molecule capable of causing a FRAME-SHIFT MUTATION in DNA by interposing between adjacent base pairs. Acridine orange stains nucleic acid so that under ultraviolet light DNA appears green and RNA appears orange.