Vat Violet 3
Product Overview:
Vat Violet 3 is a superior-quality vat dye that produces a deep, elegant violet shade with excellent fastness properties. It is well-suited for high-performance dyeing of cotton, viscose, and other cellulosic fibers. The dye ensures uniform color development, high stability, and exceptional resistance to washing and light - making it ideal for fashion textiles, denim, and decorative fabrics.
Chemical Identity:
Chemical Name: C.I. Vat Violet 3 / 6,15-Dihydroanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-7,16-dione
CAS No.: 2379-75-1
Molecular Formula: C20H14Cl2NO2S2
Molecular Weight: 410.43 g/mol
Appearance: Dark violet powder or granules
Main Applications
Used for dyeing cotton, viscose, and blended fabrics
Applicable in denim, workwear, fashion textiles, and printing processes
Provides deep violet shades with excellent levelness and penetration
Suitable for exhaust and continuous dyeing methods
Typical Specifications
Property Specification
Shade Deep violet
Strength 100% standard
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 Good
Key Product Advantages
💎 Brilliant Shade & Excellent Depth – Delivers rich, long-lasting violet tones with high clarity.
🌿 Eco-Conscious Manufacturing – Produced under REACH, ZDHC, and OEKO-TEX compliant processes.
⚙️ Reliable Performance – Offers consistent results and high reproducibility across dyeing batches.
📦 Custom Packaging Options – Available in 25kg fiber drums or tailor-made packages per customer request.
🤝 Trusted Supplier Support – Prompt technical service and professional guidance for optimal dyeing results.

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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