8613642040418  info@tjuniwin.com

DIRECT DYES

Direct Red F2G (Direct Red 224)


Direct Red F2G (C.I. Direct Red 224) is a high-quality direct dye known for its intense red hue and exceptional performance. Engineered for use on cellulosic fibers such as cotton, linen, and rayon, this dye provides a striking red color with excellent color strength and durability. Its versatility makes it suitable for a wide range of applications, including textiles, paper, and consumer goods.

Chemical and Technical Specifications:

  • Chemical Name: 4-[(2-(4-(Dimethylamino)phenylazo)phenyl)azo]benzene-1,3-diol

  • C.I. Number: 224

  • Molecular Formula: C20H16N4O4

  • Molecular Weight: 336.36 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 F2G is extensively used in the textile industry for dyeing cellulosic fibers like cotton, linen, and rayon. It imparts a vibrant red color with outstanding wash and lightfastness, making it suitable for a variety of high-quality garments, home textiles, and decorative fabrics.

  2. Paper Industry:
    In the paper industry, Direct Red F2G is utilized to achieve rich red tones in various paper products such as packaging materials, decorative papers, and specialty papers. Its strong color strength ensures consistent and brilliant red coloration.

  3. Inks and Coatings:
    This dye is also employed in the production of inks and coatings, offering vibrant red hues with reliable performance. It is ideal for applications requiring high color intensity and stability, including printing inks and surface coatings.

  4. Consumer Goods:
    Direct Red F2G is used in consumer products like bedding, upholstery, and curtains, providing a deep red color with exceptional durability and resistance to fading.

Key Performance Benefits:

  • Intense Red Coloration: Delivers a vivid red shade with high color strength and uniformity, enhancing the aesthetic appeal of the end product.

  • Superior Fastness: Provides excellent resistance to light, washing, and rubbing, ensuring long-lasting color retention and reducing the frequency of re-dyeing.

  • Stable Application: Forms a stable dye solution in aqueous conditions, ensuring consistent and high-quality dyeing results across different materials.

  • Versatile Usage: Adaptable for use in textiles, paper products, and inks, offering flexibility in various industrial and consumer applications.

  • High Durability: Ensures robust colorfastness and resistance to fading, making it ideal for products that require long-term performance and durability.