Direct Red BWS (Direct Red 243)

Direct Red BWS (C.I. Direct Red 243) is a vibrant, high-performance direct dye known for its brilliant red hue and excellent performance characteristics. Specifically formulated for application on cellulosic fibers such as cotton, linen, and rayon, this dye provides a vivid red color with superior color strength and fastness, making it an ideal choice for textiles, paper, and consumer goods.

Chemical and Technical Specifications:

• Chemical Name: 4-(2-(4-(Dimethylamino)phenylazo)-1-naphthylazo)benzene-1,3-diol

• C.I. Number: 243

• Molecular Formula: C21H17N5O3

• Molecular Weight: 357.39 g/mol

• Solubility: Soluble in water; forms a stable dye solution

• Dyeing Method: Direct dyeing

• Lightfastness (Blue Wool Scale): 4 (good resistance to light exposure)

• Washfastness: Excellent, rated 4-5

• Rubbing Fastness: Good, rated 4

• pH Range: Effective in neutral to slightly alkaline conditions during dyeing

• Appearance: Bright red powder

Industrial Applications:

1. Textile Industry:
   Direct Red BWS is widely used in the textile industry to dye cellulosic fibers such as cotton, linen, and rayon. It imparts a striking red color with excellent wash and lightfastness properties, making it ideal for vibrant apparel, home textiles, and fashion accessories.

2. Paper Industry:
   In the paper industry, Direct Red BWS is utilized to achieve vivid red shades in various paper products including packaging materials, decorative papers, and specialty papers. Its high color strength ensures bright and uniform coloration.

3. Inks and Coatings:
   This dye is also used in the formulation of inks and coatings, providing vibrant red hues with reliable performance. It is suitable for applications requiring high color intensity and stability.

4. Consumer Goods:
   Direct Red BWS is employed in consumer goods such as bedding, upholstery, and curtains, offering a bold red color with excellent durability and colorfastness.

Key Performance Benefits:

• Brilliant Red Coloration: Delivers a vivid red shade with high color strength and uniformity, enhancing the visual appeal of the final product.

• Outstanding Fastness Properties: Ensures superior resistance to light, washing, and rubbing, resulting in long-lasting color retention and reduced need for frequent re-dyeing.

• Stable Dye Solution: Forms a consistent and stable dye solution in aqueous conditions, ensuring reliable and high-quality dyeing results across various materials.

• Versatile Application: Suitable for multiple uses including textiles, paper products, and inks, allowing flexibility in its application.

• High Durability: Provides robust colorfastness and resistance to fading, making it ideal for products that require durability and longevity.