Azo compounds

Details Azo compounds Azo compounds

C - Chemistry, Metallurgy

09

B

260/156, 8/21

C09B 31/08 (2006.01) C09B 33/02 (2006.01) C09B 33/24 (2006.01) C09B 45/24 (2006.01) C09B 45/34 (2006.01) D06P 1/02 (2006.01)

Patent

CA 1064480

Abstract of the Disclosure The present invention relates to azo compounds of formula I, Image I in which R1 is hydrogen or nitro, each of R2 and R3, independently. is -OH or -NH2 R4 is hydrogen, nitro or (C1-4) alkyl, R5 is hydrogen, nitro or (C1-4) alkoxy, R6 is hydrogen, (C1-4) alkyl, (C1-4) alkoxy, -COOM or -SO3M, R7 is hydrogen or -SO3M, R8 is hydrogen or the radical of a diazo component, and M is a hydrogen ion or a non-chromo- phoric cation. or mixtures thereof in metallized from or unmetallized form, which compounds in metallized form are useful as dyestuffs.

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