Water-soluble diazotized amino azo dyestuff coupled with an amin

Details Water-soluble diazotized amino azo dyestuff coupled with an amin Water-soluble diazotized amino azo dyestuff coupled with an amin

1976-12-03

1978-01-10

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260190, 260191, 260196, C09B 3104, C09B 3106, C09B 3108

Patent

active

040678652

ABSTRACT:
Water-soluble azo dye which, in the form of the free acid, has the formula ##STR1## WHEREIN A represents lower alkyl, hydroxy lower alkyl or phenyl and R represents hydrogen, lower alkyl or hydroxy lower alkyl and A, when phenyl, and ring B is unsubstituted or substituted by nitro, alkyl or alkoxy, m has a value of 0 or 1 and E represents a residue selected from: ##STR2## wherein R.sup.5 represents hydrogen, lower alkyl, hydroxy lower alkyl or benzyl, R.sup.6 represents lower alkyl or hydroxy lower alkyl and R.sup.7 and R.sup.8 each independently represent hydrogen, lower alkyl, lower alkoxy or acetylamino; and ##STR3## WHEREIN R.sup.9 represents lower alkyl, hydroxy lower alkyl, sulphato lower alkyl, phenyl or phenyl substituted by lower alkyl, lower alkoxy or hydroxy and p has a value of 0 or 1 with the proviso that there are no more than two sulpho groups in said dye. The dye is useful to color natural and synthetic polyamide textile materials.

REFERENCES:
patent: 605103 (1898-06-01), Kahn et al.
patent: 2092076 (1937-09-01), Knight
patent: 2120754 (1938-07-01), Krebser
patent: 2124688 (1938-07-01), Daudt et al.
patent: 2172752 (1939-09-01), Kvalnes
patent: 2244339 (1941-06-01), Kvalnes
patent: 2257694 (1941-09-01), Krebser
patent: 3096140 (1963-07-01), Gaetani
patent: 3932379 (1976-01-01), Brulard
Colour Index, 3rd Ed., vol. 4, 1971. p. 4236 (C.I. 26705), p. 4242 (C.I. Nos. 27065, 27066, 27070, 27075), & p. 4246 (C.I. 27230 & C.I. 27235).

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