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 4-Amino-3-Hydroxynaphthalene-1-Sulphonate CAS NO 5959-58-0

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CAS No.:5959-58-0

Grade:Pharmacy Grade

Content:99.90%

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3,3-Bis(1-Ethyl-2-Methyl-1H-Indol-3-Yl)-4-Azaphthalide CAS NO 50293-29-3

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CAS No.:50293-29-3

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Content:99.90%

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2-Amino-4-Nitrobenzenesulfonic Acid Ammonium Salt CAS NO 50667-34-0

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CAS No.:50667-34-0

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n-(3-Amino-4-Chlorophenyl)-2-(2,4-Di-tert-Pentylphenoxy)Acetamide CAS NO 50671-00-6

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CAS No.:50671-00-6

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Content:99.90%

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4-(2,4-Di-tert-Pentylphenoxy)Butyric Acid CAS NO 50772-35-5

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CAS No.:50772-35-5

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Content:99.90%

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1,4-Diaminebenzene Sulfate CAS NO 50994-40-6

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CAS No.:50994-40-6

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Content:99.90%

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2-(2-Phenylhydrazinocarbonyl)-2-(2-Phenylhydrazono)Acetic Acid CAS NO 51471-61-5

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CAS No.:51471-61-5

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Content:99.90%

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4-[(4-Aminophenyl)Methyl]-2-Ethylaniline CAS NO 51839-50-0

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CAS No.:51839-50-0

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Content:99.90%

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