C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 29/36 (2006.01) C09B 62/44 (2006.01) D06P 1/384 (2006.01) D06P 3/10 (2006.01) D06P 3/66 (2006.01)
Patent
CA 2126029
- 1 - ABSTRACT: Water-soluble azo compounds, preparation thereof and use thereof as dyes There are described monoazo compounds conforming to the formula (1) Image (1) which are used as dyes having fiber-reactive properties for preparing strong, red, fast dyeings and prints on hydroxy - and/or carboxamido-containing material, in particular fiber material, such as wool and synthetic polyamide fibers and in particular cellulose fibers, such as cotton. In the formula (1): M is hydrogen or an alkali metal; R1 is hydrogen or sulfo; R2 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, sulfo, hydroxy , halogen or carboxy ; R3 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; Y is vinyl or is ethyl which contains in the .beta.-position a substituent which is eliminable with alkali to form a vinyl group; p is 1 or 2; the one -SO3M group is attached to the naphthalene ring para or meta to the amino group.
Dannheim Jorg
Oehme Dieter
Tappe Horst
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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