Dyes

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Dyes

Dyes are soluble colorants used to impart vibrant and uniform coloration to textiles, leather, paper, plastics, inks, and food products. They penetrate target substrates at molecular level, offering strong tinting strength, brightness, and wide shade availability. Modern dye formulations emphasize fastness properties-such as resistance to washing, light, and heat-while supporting eco-friendly and low-impact processing requirements.

Azoic Dyes (ingrain dyes)

Azoic dyes, also known as ingrain dyes, are formed directly on the fiber through a coupling reaction between a diazo component and a coupling component, producing highly insoluble azo pigments within the fabric structure. This in situ formation provides outstanding wash fastness, light fastness, and chemical resistance. Azoic dyes are primarily used on cellulose fibers such as cotton, delivering bright, intense shades ranging from reds and oranges to deep browns. They are especially valued for shades that are difficult to achieve with other dye classes. Despite their excellent performance, azoic dyeing requires precise control of pH, temperature, and reaction conditions, making it more specialized than conventional dyeing processes.

2-[Ethyl[3-Methyl-4-[(5-Nitrothiazol-2-Yl)Azo]Phenyl]Amino]Ethanol CAS NO 68516-81-4

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CAS No.:68516-81-4

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Color CAS NO 10-83-3

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CAS No.:10-83-3

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5-(4-Amino-Phenylazo)-2-Hydroxy-Benzoic Acid CAS NO 101-51-9

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CAS No.:101-51-9

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Acetoacetanilide CAS NO 102-01-2

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CAS No.:102-01-2

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3-[[2-(Acetylamino)-4-Aminophenyl]Azo]Naphthalene-1,5-Disulphonic Acid CAS NO 117-88-4

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CAS No.:117-88-4

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5-Amino-2-[(4-Aminophenyl)Amino]Benzenesulfonic Acid CAS NO 119-70-0

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CAS No.:119-70-0

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Fast Red B Salt Zinc Sulfate CAS NO 120-17-2

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CAS No.:120-17-2

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2-Amino-5-Nitrophenol CAS NO 121-88-0

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CAS No.:121-88-0

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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.

1,8-Dihydroxyanthraquinone CAS NO 117-10-2

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CAS No.:117-10-2

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[(3-Aminophenyl)Amino]Oxoacetic Acid CAS NO 101-09-7

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CAS No.:101-09-7

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Variamine Blue B Diazonium Salt CAS NO 101-69-9

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CAS No.:101-69-9

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4'-Chloroacetoacetanilide CAS NO 101-92-8

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CAS No.:101-92-8

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Toluene-3,5-Diamine CAS NO 108-71-4

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CAS No.:108-71-4

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Koch Acid CAS NO 117-42-0

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CAS No.:117-42-0

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Naphth[2,1-D]-1,2,3-Oxadiazole-5-Sulphonic Acid CAS NO 117-70-4

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CAS No.:117-70-4

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1-(3-Sulfophenyl)-3-Methyl-5-Pyrazolone CAS NO 119-17-5

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CAS No.:119-17-5

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Disperse Dyes

Disperse dyes are nonionic, sparingly water-soluble dyes designed to color hydrophobic synthetic fibers such as polyester, acetate, and nylon. They are applied from fine aqueous dispersions facilitated by dispersing agents. Their small molecular size enables diffusion into the fiber matrix, producing bright, uniform, and fast shades. Disperse dyes offer excellent sublimation resistance, high wash fastness, and strong thermal stability, making them suitable for high-temperature dyeing and thermofixation processes. They are widely used in apparel textiles, sportswear, automotive fabrics, and digital printing inks. Their broad shade range and high performance make them essential in modern synthetic-fiber dyeing.

Disperse Blue 106 CAS NO 12223-01-7

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CAS No.:12223-01-7

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4-[(4-Nitrophenyl)Azo]-o-Anisidine CAS NO 101-52-0

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CAS No.:101-52-0

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2-Amino-n-Ethyl-5-Nitro-n-Phenylbenzenesulphonamide CAS NO 116-34-7

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CAS No.:116-34-7

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Celliton Fast Pink B CAS NO 116-85-8

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CAS No.:116-85-8

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1,5-Bis[(9,10-Dihydro-9,10-Dioxo-1-Anthryl)Amino]Anthraquinone CAS NO 117-03-3

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CAS No.:117-03-3

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3-(4-Tolysulfonyl)-4-Aminoacetanilide CAS NO 127-49-1

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CAS No.:127-49-1

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1-(Butylamino)Anthraquinone CAS NO 129-45-3

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CAS No.:129-45-3

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4'-N,n-Dimethylamino-1'-Phenylazo-3-Pyridine CAS NO 156-25-2

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CAS No.:156-25-2

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Vat Dyes

Vat dyes are water-insoluble dyes that become soluble only after reduction to their leuco form, enabling them to penetrate fiber structures before reoxidizing to an insoluble, highly fast pigment. This unique dyeing mechanism yields unmatched wash fastness, light fastness, and chemical resistance. Indigo is the most famous vat dye, but many others produce deep, brilliant shades suitable for cotton, rayon, and other cellulose fibers. Vat dyes are indispensable in denim manufacturing, workwear, military fabrics, and high-performance textiles. Their dyeing process requires controlled reduction–oxidation conditions, making them technically demanding but extremely durable in end-use performance.

Anthraquinone CAS NO 84-65-1

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CAS No.:84-65-1

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Anthraquinone-2,7-Disulfonic Acid Disodium Salt CAS NO 853-67-8

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CAS No.:853-67-8

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Dibenzanthrone CAS NO 116-71-2

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CAS No.:116-71-2

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1,4-Bis[(9,10-Dihydro-9,10-Dioxo-1-Anthryl)Amino]Anthraquinone CAS NO 116-76-7

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CAS No.:116-76-7

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1-Amino-2-Methyl-4-[(4-Methylphenyl)Amino]Anthraquinone CAS NO 116-77-8

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CAS No.:116-77-8

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n-(5-Chloro-4-Methoxy-9,10-Dioxo-9,10-Dihydroanthracen-1-Yl)Benzamide CAS NO 116-80-3

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CAS No.:116-80-3

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1-Amino-2-Bromo-4-Hydroxy-9,10-Anthraquinone CAS NO 116-82-5

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CAS No.:116-82-5

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1-Amino-5-Chloro-4-Hydroxyanthraquinone CAS NO 116-84-7

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CAS No.:116-84-7

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Reactive Dyes

Reactive dyes form covalent bonds with hydroxyl or amino groups in cellulose, wool, and nylon fibers, providing exceptional wash fastness and color brilliance. Their reactive groups-chlorotriazine, vinyl sulfone, or mixed systems-enable strong fiber fixation under alkaline conditions. Reactive dyes offer a vast shade range, excellent reproducibility, and high wet fastness, making them the most widely used dyes for cotton and blended fabrics. They are suitable for exhaust dyeing, cold-pad batch processes, and digital textile printing. Their ability to produce vivid, long-lasting colors with minimal bleeding makes them indispensable in fashion, home textiles, and premium garment production.

1-Amino-9,10-Dihydro-4-[[2-Methoxy-5-[[2-(Sulfooxy)Ethyl]Sulfonyl]Phenyl]Amino]-9,10-Dioxo-2-Anthracenesulfonic Acid CAS NO 10150-26-2

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CAS No.:10150-26-2

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