Unsymmetrical mono sulfo containing 1:2 azo, azo chromium comple

Details Unsymmetrical mono sulfo containing 1:2 azo, azo chromium comple Unsymmetrical mono sulfo containing 1:2 azo, azo chromium comple

1976-08-06

1978-04-11

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260147, 260163, C09B 4516

Patent

active

040838390

ABSTRACT:
Chromium complex dyes of the formula ##STR1## wherein Z is a nitro group or a chlorine atom, each of R and R.sub.1 is a phenyl radical which is optionally substituted by halogen, low molecular alkoxy, low molecular alkyl or nitro, one of the symbols X.sub.1, X.sub.2 and X.sub.3 is hydrogen and each of the others is hydrogen, a halogen atom, a nitro, methyl or methoxy group and Me.sup.+ is a cation. The dyes are suitable for dyeing and printing natural and synthetic polyamides to produce dyeings which are level and have good fastness to light, washing, fulling, decatizing and carbonizing.

REFERENCES:
patent: 3041327 (1962-06-01), Buehler et al.

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