Vat Red 31 CAS: 12227-47-3

Vat Red 31

Description:
Vat Red 31 is a high-performance, vibrant red vat dye, known for its excellent fastness properties and outstanding color durability. It is widely used for dyeing cellulose-based fabrics such as cotton and rayon, offering superior color retention against light and washing. This dye is favored in the textile and paper industries for its consistent, high-quality results.

Chemical Information:

Chemical Name: 1,4-Dihydroxy-9,10-dioxoanthraquinone

C.I. Name: Vat Red 31

CAS No.: 12227-47-3

Molecular Formula: C30H16N4O5

Molecular Weight: 268.23 g/mol

Appearance:

Red powder or granular form

Insoluble in water, soluble in concentrated sulfuric acid to produce a reddish solution

Applications:

Ideal for dyeing of cotton, viscose, and other cellulosic fibers

Used in textile dyeing, printing, and paper coloring

Suitable for products requiring outdoor exposure due to its excellent lightfastness

Widely applied in leather, plastics, and pigment formulations

Specifications:

Shade: Deep Red with a slightly bluish tone

Strength: 100% standard

Purity: ≥98%

Moisture Content: ≤2.5%

Light Fastness: 7–8 (Excellent)

Washing Fastness: 4–5 (Good)

Rubbing Fastness: 4–5 (Good)

Advantages / Why Choose Us:
✅ Superior Quality & Reliability – Advanced quality control procedures to guarantee batch-to-batch consistency.
✅ Eco-Conscious Manufacturing – Meets global standards for sustainability and environmental compliance.
✅ Competitive Pricing – Direct from manufacturer pricing with flexible order quantities.
✅ Excellent Colorfastness – Ensures longevity of vibrant shades in textiles, suitable for both domestic and industrial use.
✅ Fast Delivery & Exceptional Support – Timely shipping and responsive customer service for a seamless experience.