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.

5-Hydroxy-2-Napthalene Carboxylic Acid CAS NO 2437-18-5

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CAS No.:2437-18-5

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Content:99.90%

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Naphthol As-Gr Phosphate CAS NO 2616-73-1

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CAS No.:2616-73-1

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1-Naphthalenecarboxylic Acid, 7-Hydroxy- CAS NO 2623-37-2

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CAS No.:2623-37-2

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1-Phenyl-4-Methyl-3-Pyrazolidone CAS NO 2654-57-1

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CAS No.:2654-57-1

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Tetrafluoroborate-Fast Blue Rr Salt CAS NO 2776-45-6

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CAS No.:2776-45-6

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1-Naphthalenol,8-Amino-(9Ci) CAS NO 2834-91-5

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CAS No.:2834-91-5

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4'-Chloro-2'-Methylacetoacetanilide CAS NO 20139-55-3

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CAS No.:20139-55-3

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4-(Methylamino)-2,6-Dinitrophenol CAS NO 20291-98-9

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CAS No.:20291-98-9

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