Color Couplers

Color Couplers

Color couplers are chemical intermediates used in dye formation, particularly within azoic dye systems, where they react with diazonium salts to produce stable, insoluble pigments on the substrate. These couplers determine the final hue, brilliance, and fastness properties of the resulting dye. They are essential in textile dyeing, ink formulation, leather finishing, and certain types of pigment manufacturing. Color couplers provide versatility in shade creation, enabling fine-tuning of red, orange, brown, and yellow tones. Their controlled reactivity ensures uniform dye distribution and long-term color performance across various materials.

Sodium n-(5-Chloro-2-Methylphenyl)-3-Hydroxynaphthalene-2-Carboxamidate CAS NO 68540-87-4

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CAS No.:68540-87-4

Grade:Pharmacy Grade

Content:99.90%

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Sodium 3-Hydroxy-n-Phenylnaphthalene-2-Carboxamidate CAS NO 68556-06-9

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CAS No.:68556-06-9

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2-Diazo-1-Naphthol-5-Sulfonic Acid, Ester With Pyrogallol/Acetone Resin CAS NO 68584-99-6

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CAS No.:68584-99-6

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n-(4-Chloro-2,5-Dimethoxyphenyl)-3-[m-[[4-(2,4-Di-tert-Pentylphenoxy)Butyryl]Amino]Phenyl]-3-Oxopropionamide CAS NO 68612-99-7

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CAS No.:68612-99-7

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Disodium 4-Aminonaphthalene-2,6-Disulphonate CAS NO 68636-00-0

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CAS No.:68636-00-0

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Content:99.90%

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Coupler C-38 CAS NO 68911-97-7

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CAS No.:68911-97-7

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Methylenebis(3-Hydroxy-5-Methyl-4,1-Phenylene) Tetrakis(6-Diazo-5,6-Dihydro-5-Oxonaphthalene-1-Sulphonate) CAS NO 69039-70-9

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CAS No.:69039-70-9

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4-[(6-Methoxy-1H-Indol-2(3H)-Ylidene)Methyl]-N,n-Dimethylaniline CAS NO 69226-74-0

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CAS No.:69226-74-0

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Content:99.90%

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