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.

m-(o-Toluidino)Phenol Sulphate CAS NO 93920-37-7

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CAS No.:93920-37-7

Grade:Pharmacy Grade

Content:99.90%

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3-(5-Dibenzylamino-2-Methoxyphenyl)-3-[4-(Diethylamino)-2-Hydroxyphenyl]Phthalide CAS NO 93964-68-2

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CAS No.:93964-68-2

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Content:99.90%

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Sodium 3-Chloro-4-Hydroxy-5-Nitrobenzenesulphonate CAS NO 93981-28-3

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CAS No.:93981-28-3

Grade:Pharmacy Grade

Content:99.90%

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2,2'-[(4-Amino-3-Nitrophenyl)Imino]Bisethanol Hydrochloride CAS NO 94158-13-1

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CAS No.:94158-13-1

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Content:99.90%

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Disodium 1-(4-Amino-2-Sulphonatophenyl)-4,5-Dihydro-5-Oxo-1H-Pyrazole-3-Carboxylate CAS NO 94159-56-5

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CAS No.:94159-56-5

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Content:99.90%

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2-[(4-Aminophenyl)Amino]-5-Nitrobenzenesulphonic Acid Hydrochloride CAS NO 94232-01-6

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CAS No.:94232-01-6

Grade:Pharmacy Grade

Content:99.90%

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Benzene-1,4-Diamine (4-Methylbenzenesulphonate) CAS NO 94441-91-5

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CAS No.:94441-91-5

Grade:Pharmacy Grade

Content:99.90%

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