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.

n-Ethyl-n-(2-Hydroxyethyl)-p-Phenylenediamine Sulfate Monohydrate CAS NO 143174-03-2

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CAS No.:143174-03-2

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Content:99.90%

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4,5-Bis(3-Pyridinyloxy)Phthalonitrile CAS NO 147699-68-1

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CAS No.:147699-68-1

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Content:99.90%

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2-Naphthalenecarboxylic Acid, 4,5-Dihydroxy- CAS NO 154623-82-2

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CAS No.:154623-82-2

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n-(4-Amino-2-Nitrophenyl)Allylamine, 2-Nitro-N1-(Prop-2-En-1-Yl)Benzene-1,4-Diamine CAS NO 160219-76-1

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CAS No.:160219-76-1

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5-Phenylamino-1-Phenylimino-Penta-2,4-Dien-2-Olhcl CAS NO 165186-80-1

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CAS No.:165186-80-1

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4,5-Diiodophthalodinitrile CAS NO 175883-98-4

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CAS No.:175883-98-4

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1H-Pyrazolo[5,1-C]-1,2,4-Triazole,3-(1-Methylethyl)-(9Ci) CAS NO 197355-86-5

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CAS No.:197355-86-5

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4-(Cyanomethyl)Phthalonitrile CAS NO 1000540-60-2

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CAS No.:1000540-60-2

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