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.

Fast Red B Salt CAS NO 49735-71-9

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CAS No.:49735-71-9

Grade:Pharmacy Grade

Content:99.90%

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4-Isopropylacetoacetanilid CAS NO 401639-34-7

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CAS No.:401639-34-7

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n-(4-Ethoxyphenyl)-4-{[(2-Hydroxy-1-Naphthyl)Methylene]Amino}Benzenesulfonamide CAS NO 468101-15-7

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CAS No.:468101-15-7

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Ethanone, 1-[2,4-Dihydroxy-3-[(2-Hydroxyethyl)Amino]Phenyl]- (9Ci) CAS NO 499207-90-8

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CAS No.:499207-90-8

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N,N'-Diphenylbenzidine CAS NO 531-91-9

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CAS No.:531-91-9

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Odepa CAS NO 545-82-4

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CAS No.:545-82-4

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Content:99.90%

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Masonin CAS NO 568-40-1

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CAS No.:568-40-1

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Content:99.90%

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2,7-Dihydroxynaphthalene CAS NO 582-17-2

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CAS No.:582-17-2

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