Water-insoluble monoazo 3-cyano-4-methyl-6-hydroxy-2-pyridine dy

Details Water-insoluble monoazo 3-cyano-4-methyl-6-hydroxy-2-pyridine dy Water-insoluble monoazo 3-cyano-4-methyl-6-hydroxy-2-pyridine dy

1976-02-19

1977-11-15

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260578, C09B 2936

Patent

active

040585182

ABSTRACT:
Dyestuffs, free of ionic groups, of the formula: ##STR1## wherein R is alkyl having 1 to 6 carbon atoms and the utility thereof in the dyeing and printing of synthetic materials deep yellow with excellent fastness properties.

REFERENCES:
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3640674 (1972-02-01), Berrie et al.

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