Vat Dyes

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.

Isoindigotin CAS NO 476-34-6

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CAS No.:476-34-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Indigo CAS NO 482-89-3

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CAS No.:482-89-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Hystazarin CAS NO 483-35-2

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CAS No.:483-35-2

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Bianthrone CAS NO 484-85-5

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CAS No.:484-85-5

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

N,N'-Bis(9,10-Dihydro-9,10-Dioxo-1-Anthryl)Phthaldiamide CAS NO 4028-94-8

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CAS No.:4028-94-8

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

n-(9,10-Dihydro-9,10-Dioxoanthracen-1-Yl)-7-Oxo-7H-Benzo[E]Perimidine-4-Carboxamide CAS NO 4216-01-7

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CAS No.:4216-01-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Red 15 CAS NO 4216-02-8

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CAS No.:4216-02-8

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Yellow 28 CAS NO 4229-15-6

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CAS No.:4229-15-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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