Reactive azo dyes
    8.
    发明专利

    公开(公告)号:GB2186585A

    公开(公告)日:1987-08-19

    申请号:GB8702731

    申请日:1987-02-06

    Applicant: BASF AG

    Abstract: Reactive azo dyes have the formula: where R is C1-C4-alkyl, C1-C4-alkoxy, chlorine or bromine, R is substituted or unsubstituted C2-C4-alkyl and R is hydrogen, C1-C4-alkyl C1-C4-alkoxy, chlorine or bromine. They, and their salts, can be used for dyeing cellulose-containing material. Liquid dye formulations which contain from 5 to 35% by weight of these compounds are resistant to crystallization.

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