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.

4-(4-Methoxy-3-Sulfophenyl)-2,6-Bis-(4-Sulfophenyl)Pyrylium CAS NO 91788-04-4

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CAS No.:91788-04-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

4-[[4-(Diethylamino)-2-Hydroxyphenyl]Azo]-3-Hydroxy-2,7-Naphthalenedisulfonic Acid CAS NO 91999-87-0

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CAS No.:91999-87-0

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

5-(Benzoylamino)-4-Hydroxy-3-(4-Methyl-2-Sulfophenylazo)-2,7-Naphthalenedisulfonic Acid Trisodium Salt CAS NO 92408-46-3

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CAS No.:92408-46-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Acid Brown 440 CAS NO 93376-15-9

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CAS No.:93376-15-9

Grade:Pharmacy Grade

Content:99.90%

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5-[(2,4-Dihydroxyphenyl)Azo]Naphthalene-1-Sulphonic Acid CAS NO 93658-86-7

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CAS No.:93658-86-7

Grade:Pharmacy Grade

Content:99.90%

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5-(Acetylamino)-3-[(4-Dodecylphenyl)Azo]-4-Hydroxynaphthalene-2,7-Disulphonic Acid CAS NO 93762-37-9

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CAS No.:93762-37-9

Grade:Pharmacy Grade

Content:99.90%

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7-Hydroxy-9H-Carbazole-2,3,6-Trisulphonic Acid, Sodium Salt CAS NO 93775-99-6

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CAS No.:93775-99-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Sodium Hydrogen 8-Amino-3-Hydroxynaphthalene-1,5-Disulphonate CAS NO 93776-87-5

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CAS No.:93776-87-5

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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