Reactive dye having both monochlorotriozinyl and vinylsulfone ty

Details Reactive dye having both monochlorotriozinyl and vinylsulfone ty Reactive dye having both monochlorotriozinyl and vinylsulfone ty

1981-02-13

1987-05-19

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534593, 534598, 534617, 534642, 534887, C09B 62085, C09B 6253, D06P 1382, D06P 1384

Patent

active

046670220

ABSTRACT:
A red reactive dye represented by a free acid of the formula, ##STR1## wherein X is a hydrogen atom, a methyl, methoxy or sulfonic acid group, Y is --CH.dbd.CH.sub.2, --CH.sub.2 CH.sub.2 Y.sub.1 or --CH.sub.2 CH.sub.2 OY.sub.2 (in which Y.sub.1 is a halogen atom, and Y.sub.2 is the residue of polybasic acids), R is a C.sub.1 -C.sub.4 alkyl group, R.sub.1 and R.sub.2 are each a hydrogen atom, a methyl or ethyl group, and the azo group is located on a meta-or para-position of the benzene ring A with respect to the --NR.sub.2 -- group and the sulfonic acid group on the benzene ring A is adjacent to the azo group. This dye is suitable for dyeingcellulose fibers red to afford dyeings superior in fastnesses, acid stability, build-up property, level dyeing property and white dischargeability.

REFERENCES:
patent: 3223470 (1965-12-01), Boedeker et al.

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