Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine

Details Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine

1984-03-14

1986-09-02

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

106 23, 106288Q, 106308Q, 523460, 524190, 525376, 534575, 534581, 534583, 534887, C09B 31153, C09B 35031, C09B 3312, D06P 152

Patent

active

046097260

ABSTRACT:
Compounds of the general formula I ##STR1## where R is hydrogen or C.sub.1 -C.sub.6 -alkyl and X is chlorine or bromine, with the proviso that X is only bromine when R is H, possess pigment properties and are distinguished by high color strength, brilliance and very good fastness properties.

REFERENCES:
patent: 3565883 (1971-02-01), Dimroth

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