Vat Brown 1
Description:
Vat Brown 1 is a high-performance vat dye that produces a deep brown shade with excellent fastness to washing, light, and chlorine. It is widely used for dyeing cotton, viscose, and other cellulosic fibers, making it ideal for high-end textile and denim applications.
Chemical Name:
C.I. Vat Brown 1 / 14,15-Dihydroanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-7,16-dione
CAS No.:
2475-33-4
Molecular Formula:
C42H18N2O6
Molecular Weight:
410.43 g/mol
Appearance:
Dark brown powder or granules
Applications
Suitable for dyeing cotton, viscose, and blends
Commonly used in denim, workwear, home textiles, and industrial fabrics
Applicable for exhaust, continuous, and printing dyeing methods
Produces rich, even brown shades with excellent overall fastness
Specifications
Item Standard
Shade Deep brown
Strength 100%
Moisture ≤2%
Insoluble matter ≤1%
Solubility Insoluble in water, soluble in concentrated sulfuric acid
Fastness to washing Excellent
Fastness to light Excellent
Fastness to chlorine Very good
Why Choose Us
✅ High Purity & Stable Quality – Consistent color tone and reliable dyeing performance
🌿 Eco-Friendly Production – Complies with OEKO-TEX, ZDHC, and REACH standards
⚙️ Wide Application Range – Excellent results on cotton and viscose fabrics
🚚 Fast Delivery & Custom Packaging – Available in 25kg bags or fiber drums
💬 Technical Assistance – Professional color-matching and dyeing support
Hangzhou Reward Technology Co.,Ltd has been specialized in DYESTUFF for many years. Our main products are acid dyes and disperse dyes such as acid blue 25, acid blue 80, disperse blue 359, disperse brown 27 and so on. Those dyes has been exported to America, Europe, Africa and won good comments from customers.
All kinds of dyes One-stop purchase ,matching more easier .
Free samples are available.
Stable high quality, widely accepted in worldwide market .
Professional service team,R&D and international sales.
More than 15 years' experience in supplying all kinds of pigments.
Customize special colors .
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