Acid Dyes

Acid Dyes

Acid dyes are water-soluble anionic dyes applied primarily to protein fibers such as wool, silk, and nylon, as well as certain modified acrylics. Their dyeing mechanism relies on ionic interactions between the fiber’s cationic sites and the dye’s sulfonate groups. Acid dyes offer bright colors, excellent leveling, and good light fastness. They are widely used in fashion textiles, carpets, upholstery, leather, and inkjet printing. Their shade range spans from soft pastels to deep, vibrant tones. Depending on their structure, acid dyes are categorized into leveling, milling, and super-milling types, each tailored for specific fastness and application requirements.

Pontacyl Carmine 2B CAS NO 6625-46-3

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CAS No.:6625-46-3

Grade:Pharmacy Grade

Content:99.90%

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3-Amino-5-Hydroxy-4-Phenylazopyrazole CAS NO 6627-93-6

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CAS No.:6627-93-6

Grade:Pharmacy Grade

Content:99.90%

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4-Amino-4'-Nitrostilbene-2,2'-Disulfonic Acid Disodium Salt CAS NO 6634-82-8

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CAS No.:6634-82-8

Grade:Pharmacy Grade

Content:99.90%

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Alizarine Viridine F CAS NO 6636-38-0

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CAS No.:6636-38-0

Grade:Pharmacy Grade

Content:99.90%

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Disodium 5-[[4'-[(2,6-Diamino-3-Methyl-5-Sulphonatophenyl)Azo]-3,3'-Dimethyl[1,1'-Biphenyl]-4-Yl]Azo]Salicylate CAS NO 6637-88-3

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CAS No.:6637-88-3

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Content:99.90%

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Chromate, Hydroxy[4-Hydroxy-3-Nitro-5-[(1,2,3,4-Tetrahydro-2,4-Dioxo-3-Quinolinyl)Azo]Benzenesulfonato]-, Sodium CAS NO 6656-02-6

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CAS No.:6656-02-6

Grade:Pharmacy Grade

Content:99.90%

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