Definition of azo dye in English:

azo dye

Line breaks: azo dye


  • Any of a large class of synthetic dyes whose molecules contain two adjacent nitrogen atoms between carbon atoms.
    More example sentences
    • Urobilinogen reacts with a chromogen to form an azo dye which appears as various shades of pink or purple.
    • Thus Paul Ehrlich's Salvarsan was an arsenic analogue of an azo dye, and the first sulfa, or wonder, drug, Prontosil, was the metabolic product of a red azo dye.
    • Nitrite was determined spectrophotometrically upon diazotation and forming of azo dye.

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