The molecule is a monoazo compound consisting of diazene with a 5-nitrothiazol-2-yl group attached to one nitrogen and a substituted 4-aminophenyl group attached to the other; used as a dye standard for the assay of allergy-releasing dyes in textiles. It has a role as a dye, a hapten and an allergen. It is a member of 1,3-thiazoles, a monoazo compound and a tertiary amine.
2-[N-ethyl-3-methyl-4-[(5-nitro-1,3-thiazol-2-yl)diazenyl]anilino]ethyl acetate