Page 168 - Membranes for Industrial Wastewater Recovery and Re-Use

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Table 3.24 Classification of dyes by use and chemical nature (Colour Index, 1987)
3,
2
Chemical class" Colour index Fibre type/dye class 5
number
Cellulosic Protein Cellulose Polyamide Polyester Polyacrylic $
ester 2
a
f
Direct Sulphur Azoic Vat Reactive Acid Mordant Disperse Acid Disperse Basic Disperse Basic Acid Disperse Basic
9
Nitroso 10000-10299 x x X x x X x x 2
Nitro 10300-10999 x x X x x X x x ?+
Azo 11000-36999 X X x x X x x x x x x x X E
f:
Azoic 3 7000-3 9 99 9 X 5(
Stilbene 40000-40799 X X B
Carotenoid 40800-40999 X X ri
B
Triarylmethane 42000-44999 x x X X x x X d
Xanthene 45000-45999 x x X X x x X Ls
Acridine 46000-46999 X X X X a
Quinoline 47000-47999 X X X x x x x x x x X B
?
Methine 48000-48999 X X X X f
Thiazole 49000-49399 X X X X X X
Azine 50000-50999 X X X X x x X
Oxazine 51000-51999 X X X X X X
Thiazine 52000-52999 X X X X X
Sulphur 53000-54999 X X
Anthraquinone 58000-72999 X x x x x X x x x x x x x X
Indigoid 73000-73999 X X X X
Phthalocyamne 74000-74999 X X x x x X X X x x X

a Does not include all chemical classes.