Direct Orange S (Direct Orange 26)

Direct Orange S (C.I. Direct Orange 26) is a high-quality direct dye renowned for its brilliant orange hue and robust performance characteristics. Ideal for application on cellulosic fibers such as cotton, linen, and rayon, Direct Orange S provides a vibrant and consistent orange color with outstanding color strength and fastness properties. It is widely used in the textile industry to produce high-impact, long-lasting colors in various fabric applications.

Chemical and Technical Specifications:

• Chemical Name: 4-[(4-(Dimethylamino)phenyl)azo]-3-hydroxy-5-(4-dimethylamino)phenylazo]benzene

• C.I. Number: 26

• Molecular Formula: C16H18N4O3

• Molecular Weight: 290.34 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 orange powder

Industrial Applications:

1. Textile Industry:
   Direct Orange S is extensively used in the textile industry to dye cellulosic fibers like cotton, linen, and rayon. It provides a vibrant orange color with excellent wash and lightfastness, making it suitable for high-quality apparel, home textiles, and fashion applications.

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

3. Inks and Coatings:
   Direct Orange S is also applied in the formulation of inks and coatings, offering vibrant orange hues with consistent performance. It is ideal for applications where high color intensity and stability are required.

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

Key Performance Benefits:

• Brilliant Orange Coloration: Provides a bright and consistent orange 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: Delivers outstanding performance with excellent colorfastness, ideal for both textile and non-textile applications.