Chlorine-substituted nitro-para-phenylenediamines, a process for

Details Chlorine-substituted nitro-para-phenylenediamines, a process for Chlorine-substituted nitro-para-phenylenediamines, a process for

1982-05-24

1983-12-06

Trousof, Natalie

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8407, 564441, 564367, 564369, A61K 713, C07C 8760

Patent

active

044191014

ABSTRACT:
The invention provides new chlorine-substituted nitro-para-phenylenediamines of the formula: ##STR1## in which R.sub.1 and R.sub.2, which are identical or different, denote hydrogen, a lower alkyl group or a monohydroxylated or polyhydroxylated alkyl group and n is an integer from 2 to 4, and the cosmetically acceptable salts of these compounds. These compounds can be used for hair dyeing.

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