Acid azo dyes from a 3-amino-benzisothiazole-[2,1]-5-sulfonic ac

Details Acid azo dyes from a 3-amino-benzisothiazole-[2,1]-5-sulfonic ac Acid azo dyes from a 3-amino-benzisothiazole-[2,1]-5-sulfonic ac

1978-12-28

1982-04-27

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, C07C10704, C09B 29039, C09B 29095

Patent

active

043270190

ABSTRACT:
Acid monoazo dyes of the formula ##STR1## in which X is hydrogen, chloro, bromo, nitro, C.sub.1 to C.sub.4 alkyl, methoxy, ethoxy or C.sub.2 to C.sub.4 alkanoylamino and K is a radical of a coupling compound as defined below. The dyes are suitable for dyeing natural or synthetic polyamides giving colorations with very good fastness properties.

REFERENCES:
patent: 3657220 (1972-04-01), Kilmurray
patent: 3676050 (1972-07-01), James
patent: 3943121 (1976-03-01), Maner et al.
Venkataraman, The Chemistry of Synthetic Dyes, vol. I, Academic Press, Inc., New York, 1952, p. 270.

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