Disperse azo dyestuffs and process for preparation and their use

Details Disperse azo dyestuffs and process for preparation and their use Disperse azo dyestuffs and process for preparation and their use

1978-08-14

1981-03-24

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568584, 568587, 564223, 564441, C09B 2926, D06P 118, D06P 354

Patent

active

042579430

ABSTRACT:
A compound of the formula ##STR1## in which X represents chlorine or bromine, Y and Z each represent methyl or ethyl, and n stands for the integer 1 or 2, said compound being useful as a navy blue dye for the dyeing or printing synthetic fibrous materials, preferably polyester fibers, in aqueous baths, suitably in the form of dyestuff preparations containing dispersing agents, and also useful for dyeing fibrous materials in organic solvents, such as trichloroethylene or methanol.

REFERENCES:
patent: 2083308 (1937-06-01), Senn
patent: 3250762 (1966-05-01), Gies et al.
patent: 3342804 (1967-09-01), Mueller

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