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.

Vat Black 56 CAS NO 12227-17-7

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CAS No.:12227-17-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Brown 57 CAS NO 12227-28-0

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CAS No.:12227-28-0

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Red 31 CAS NO 12227-47-3

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CAS No.:12227-47-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Yellow 33 CAS NO 12227-50-8

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CAS No.:12227-50-8

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Black 38 CAS NO 12237-35-3

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CAS No.:12237-35-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Blue 64 CAS NO 12237-36-4

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CAS No.:12237-36-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Brown 68 CAS NO 12237-38-6

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CAS No.:12237-38-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Vat Brown 72 CAS NO 12237-41-1

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CAS No.:12237-41-1

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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