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.
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CAS No.:128-65-4
Grade:Pharmacy Grade
Content:99.0%
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CAS No.:128-66-5
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CAS No.:128-67-6
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CAS No.:128-70-1
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CAS No.:128-79-0
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CAS No.:128-81-4
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CAS No.:128-83-6
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CAS No.:128-89-2
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Content:99.0%
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Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
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Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.