Reactive dyes, process for their preparation and use thereof

Details Reactive dyes, process for their preparation and use thereof Reactive dyes, process for their preparation and use thereof

C - Chemistry, Metallurgy

09

B

8/25, 260/162.2

C09B 33/02 (2006.01) C09B 35/02 (2006.01) C09B 62/09 (2006.01) C09B 62/44 (2006.01) D06P 1/06 (2006.01)

Patent

CA 1243308

Reactive dyes, process for their preparation and use thereof Abstract of the Disclosure The invention relates to reactive dyes of the formula Image (1), wherein each of Z1 and Z2 independently of the other is a radical of the formula Image (2), R1 is alkyl which may be substituted by hydroxy, alkoxy, hydroxyalkoxy,alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, carboxy, cyano, chlorine, sulfo or sulfato, and R2 is hydrogen, alkyl which may be substituted by hydroxy, alkoxy, hydroxyalkoxy, alkylcarbonyl, alkoxy- carbonyl, alkylcarbonyloxy, carboxy, cyano, chlorine, sulfo or sulfato, or is phenyl, benzyl or phenethyl, the benzene ring of which may be substituted by methyl, methoxy, acetylamino, chlorine, bromine carboxy or sulfo, and the benzene rings A and B may be further substituted. These dyes are particularly suitable for dyeing or printing cellulosic fibre material and give dyeings and prints of good fastness properties.

483299

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