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.

Calcium 1-Amino-4-[(4-Methyl-2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate CAS NO 65152-20-7

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CAS No.:65152-20-7

Grade:Pharmacy Grade

Content:99.90%

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Disodium 4-Hydroxy-7-[[[(5-Hydroxy-7-Sulphonato-2-Naphthyl)Amino]Carbonyl]Amino]-3-(Phenylazo)Naphthalene-2-Sulphonate CAS NO 65152-25-2

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CAS No.:65152-25-2

Grade:Pharmacy Grade

Content:99.90%

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7-[(4-Amino-2-Methoxy-5-Methylphenyl)Azo]Naphthalene-1,3-Disulphonic Acid CAS NO 65168-14-1

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CAS No.:65168-14-1

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Content:99.90%

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1-(4-Amino-2-Sulphophenyl)-4,5-Dihydro-5-Oxo-4-[(2-Sulphophenyl)Azo]-1H-Pyrazole-3-Carboxylic Acid CAS NO 65180-69-0

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CAS No.:65180-69-0

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Content:99.90%

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Disodium 4,5-Dichloro-2-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(3-Sulphonatophenyl)-1H-Pyrazol-4-Yl]Azo]Benzenesulphonate CAS NO 65212-76-2

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CAS No.:65212-76-2

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Content:99.90%

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Ammonium Dihydrogen 4-Sulphonatophthalate CAS NO 65229-11-0

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CAS No.:65229-11-0

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Content:99.90%

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5-Amino-4-Hydroxy-3-[(1-Sulpho-2-Naphthyl)Azo]Naphthalene-2,7-Disulphonic Acid CAS NO 65237-05-0

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CAS No.:65237-05-0

Grade:Pharmacy Grade

Content:99.90%

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Tetrasodium 4,5-Dihydroxy-3,6-Bis[(4-Methyl-2-Sulphonatophenyl)Azo]Naphthalene-2,7-Disulphonate CAS NO 65271-28-5

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CAS No.:65271-28-5

Grade:Pharmacy Grade

Content:99.90%

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