Water-soluble disazo dyestuffs, a process for their...

Details Water-soluble disazo dyestuffs, a process for their... Water-soluble disazo dyestuffs, a process for their...

C - Chemistry, Metallurgy

09

B

260/164.1, 8/25.

C09B 31/02 (2006.01) C09B 31/065 (2006.01) C09B 43/28 (2006.01) D06P 1/06 (2006.01) D06P 3/06 (2006.01)

Patent

CA 1064022

Abstract of the Disclosure: New water-soluble disazodyestuffs of the formula Image in which R1 represents the methyl, ethyl, .beta.-hydroxyethyl or .beta.-cyanoethyl group and R2 stands for a phenyl radical, whereby the radical -OR1 stands in ring A in 2- or in 4- position to the azo group, and their salts had been found which are very well suitable for dyeing of synthetic and natural polyamides and yield dyeings on these fibres with good to very good wet fasteness and fastnesses to processing and to use. Furthermore they possess a very good dyeing behaviour.

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