Substituted 2-(chloro, bromo or cyano)-4,6-dinitrophenyl azo phe

Details Substituted 2-(chloro, bromo or cyano)-4,6-dinitrophenyl azo phe Substituted 2-(chloro, bromo or cyano)-4,6-dinitrophenyl azo phe

1980-03-17

1984-05-08

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

564202, C09B 29085, D06P 118, D06P 326, D06P 354

Patent

active

044473591

ABSTRACT:
There are described new blue to navy blue monoazo dyes of the general formula I ##STR1## in which X is chlorine, bromine or cyano, R is an unsubstituted or substituted alkyl group having 1 to 4 carbon atoms, R.sub.1 and R.sub.2 independently of one another are each an alkyl group which has 1 to 4 carbon atoms and which is unsubstituted or substituted by lower alkoxy, aryloxy or aryl, or an unsubstituted or substituted phenyl group, Y is lower alkyl or lower alkoxy, and n is an integer of at most 4; processes for producing them; and their use for dyeing and printing hydrophobic materials, especially aromatic polyesters, the resulting dyeings being level deep and reproducible, while additionally distinguished by good general fastness properties.

REFERENCES:
patent: 2522234 (1960-07-01), Groebke
patent: 3250763 (1966-05-01), Gies et al.
patent: 3562789 (1971-02-01), Sasa et al.
patent: 4076706 (1978-02-01), Clark
patent: 4111930 (1978-09-01), Meybeck
Maeda et al., Chemical Abstracts, vol. 81, 122767y, (1974).

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