pyrazolone dye

pyrazolone dye

[pə′raz·ə‚lōn ‚dī]
(organic chemistry)
An acid dye containing both ‒N=N‒ and =C=C= chromophore groups, such as tartrazine; used for silk and wool.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Considerable decrease of photocatalytic decolorization rate was observed when two or three chloro substituents were present on the phenyl ring of a pyrazolone dye [104, 170].