Acid Scarlet 3R (Acid Red 18）

Acid Scarlet 3R (C.I. Acid Red 18) is a high-performance acid dye known for its striking scarlet red color and exceptional dyeing qualities. Designed for application on protein fibers such as wool, silk, and polyamide, as well as certain synthetic fibers, Acid Scarlet 3R offers brilliant color, excellent fastness properties, and uniform dyeing results. This dye is prized for its vibrant hue, outstanding resistance to light, washing, and perspiration, and its stability under acidic dyeing conditions.

Chemical and Technical Specifications:

• Chemical Name: 1-Amino-4-(4-sulfophenylazo)benzene

• C.I. Number: 16255

• Molecular Formula: C14H11N3O6S2

• Molecular Weight: 345.38 g/mol

• Solubility: Soluble in acidic solutions; forms a stable dye solution

• Dyeing Method: Acid dyeing

• Lightfastness (Blue Wool Scale): 5-6 (good resistance to light exposure)

• Washfastness: Excellent, rated 4-5

• Rubbing Fastness: Good, rated 4

• pH Range: Effective in acidic conditions during dyeing

• Appearance: Bright scarlet red powder

Industrial Applications:

1. Textile Industry:
   Acid Scarlet 3R is widely utilized for dyeing protein fibers such as wool and silk, delivering vibrant and uniform scarlet red shades with excellent colorfastness. It is ideal for high-quality garments, fashion textiles, and luxury fabrics.

2. Polyamide Fibers:
   This dye is also suitable for dyeing polyamide fibers (nylon), providing deep and consistent red hues. It is used in applications like sportswear, hosiery, and other polyamide-based textile products.

3. Specialty Textiles:
   Acid Scarlet 3R is employed in the dyeing of specialty textiles where intense red coloration and durability are crucial. Its performance in acidic conditions ensures reliable results and high-quality dyeing outcomes.

4. Home Textiles:
   The dye is used in home textiles such as curtains, upholstery, and bed linens, offering vibrant red colors and excellent fastness properties to enhance both the aesthetic and functional qualities of the fabric.

Key Performance Benefits:

• Vivid Scarlet Coloration: Produces a bright and intense scarlet red color with high color strength and uniformity.

• Outstanding Fastness: Provides excellent resistance to light, washing, and perspiration, ensuring long-lasting color and durability.

• Stable Dyeing Process: Forms a stable dye solution in acidic conditions, delivering consistent and reliable results across various textile applications.

• Versatile Use: Suitable for a variety of fibers including wool, silk, and polyamide, making it adaptable for different textile products.

• High Performance: Ensures high-quality performance with superior colorfastness, ideal for premium fashion and functional textile applications.