Chrysophenine GX / Direct Yellow G (Direct Yellow 12)

Chrysophenine GX (C.I. Direct Yellow 12) is a high-quality direct dye renowned for its vibrant yellow hue and excellent performance. It is designed for application on cellulosic fibers such as cotton, linen, and rayon. Chrysophenine GX provides a bright, intense yellow color with superior color strength and fastness properties, making it ideal for textile, paper, and consumer goods applications.

Chemical and Technical Specifications:

• Chemical Name: 4-(4-(Dimethylamino)phenylazo)-3-hydroxy-5-(4-(dimethylamino)phenylazo)benzenesulfonic acid

• C.I. Number: 12

• Molecular Formula: C16H15N5O5S

• Molecular Weight: 353.38 g/mol

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

• Dyeing Method: Direct dyeing

• Lightfastness (Blue Wool Scale): 3-4 (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 yellow powder

Industrial Applications:

1. Textile Industry:
   Chrysophenine GX is extensively used in the textile industry to dye cellulosic fibers like cotton, linen, and rayon. It offers a vibrant yellow color with excellent wash and lightfastness, making it suitable for high-quality apparel, home textiles, and fashion accessories.

2. Paper Industry:
   This dye is applied in the paper industry to achieve bright yellow shades on various paper products, including packaging materials, decorative papers, and specialty papers. Its strong color intensity ensures bright and uniform coloration.

3. Inks and Coatings:
   Chrysophenine GX is also utilized in the formulation of inks and coatings, providing vibrant yellow hues with consistent performance. It is ideal for applications where high color strength and stability are essential.

4. Consumer Goods:
   The dye is employed in consumer goods such as bedding, upholstery, and curtains, offering a vivid yellow color with excellent durability and colorfastness.

Key Performance Benefits:

• Brilliant Yellow Coloration: Delivers a bright and consistent yellow color with high color strength and uniformity.

• Excellent Fastness: Offers superior resistance to light, washing, and rubbing, ensuring long-lasting color retention and durability.

• Stable Dyeing Process: Forms a stable dye solution in aqueous conditions, ensuring reliable and consistent dyeing results across various applications.

• Versatile Use: Suitable for cellulosic fibers, paper products, and inks, making it adaptable for multiple uses.

• High Performance: Provides outstanding performance with excellent colorfastness, ideal for both textile and non-textile applications.