sulfide dye

sulfide dye

[′səl‚fīd ‚dī]
(organic chemistry)
A dye containing sulfur and soluble in a 0.25-0.50% sodium sulfide solution, and used to dye cotton; the dyes are manufactured from aromatic polyamines or hydroxy amines; the amine group is primary, secondary, or tertiary, or may be an equivalent nitro, nitroso, or imino group; an example is the dye sulfur blue. Also known as sulfur dye.