A bright orange-red dye derived from acridine, used as an antiseptic.
- ‘All the respiratory-deficient mutants previously isolated in our laboratory have been induced by treatment with acriflavine or ethidium bromide.’
- ‘Some acriflavine added as a bacterial prophylactic.’
- ‘Compared with cytotoxic photoprotectants like herberine, palmatine and acriflavine, the anionic dyes have no adverse effects up to a concentration of 1 M.’
Early 20th century: formed irregularly from acridine and flavine.