Reactive disazo blue dye

Details Reactive disazo blue dye Reactive disazo blue dye

1980-06-30

1983-11-01

Waltz, Thomas A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 31047

Patent

active

044129483

ABSTRACT:
A bisazo reactive dye represented by a free acid of the formula, ##STR1## wherein X.sub.1 and X.sub.2 are each a hydrogen atom, a methyl or methoxy group, a chlorine atom, or a carboxylic acid or sulfonic acid group, Y is a hydrogen atom, a methyl or sulfonic acid group, Z is --CH.sub.2 CH.sub.2 OSO.sub.3 H, --CH.sub.2 CH.sub.2 OPO.sub.3 H.sub.2, --CH.sub.2 CH.sub.2 Cl or --CH.dbd.CH.sub.2, and Z.sub.1, Z.sub.2 and Z.sub.3 are each a hydrogen or chlorine atom, a methyl, methoxy, sulfonic acid or carboxylic acid group. This dye is usable for dyeing cellulose fibers in a deep blue color with good fastnesses, particularly, chlorine, light and perspiration-light fastnesses, a high acid stability, good white dischargeability as well as level dyeing properties.

REFERENCES:
patent: 3223470 (1965-12-01), Boedeker et al.
patent: 3711460 (1973-01-01), Schundehutte
Chemical Abstracts, vol. 58, Abstract No. 12712(e), Farbwerke Hoechst, "Washfast Dyes for Textiles".

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