Acid Scarlet GR（Acid Red 73）

Acid Scarlet GR (C.I. Acid Red 73) is a high-quality acid dye known for its vibrant scarlet red coloration and excellent dyeing properties. This dye is specifically designed for use on protein fibers such as wool, silk, and polyamide, as well as certain synthetic fibers. Acid Scarlet GR is valued for its brilliant color, outstanding fastness to light, washing, and perspiration, and its ability to produce deep and uniform shades. Its solubility in acidic solutions and stability during the dyeing process ensure superior performance and high-quality results.

Chemical and Technical Specifications:

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

• C.I. Number: 16155

• Molecular Formula: C14H12N2O5S

• Molecular Weight: 296.32 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 GR is widely used for dyeing protein fibers such as wool and silk. It produces vibrant and consistent red hues with excellent fastness properties, making it suitable for high-quality garments, luxury textiles, and fashion applications.

2. Polyamide Fibers:
   This dye is also effective for dyeing polyamide fibers (nylon), providing deep and vivid red colors. It is used in applications such as sportswear, hosiery, and other nylon-based textile products.

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

4. Home Textiles:
   The dye is utilized in home textiles including curtains, upholstery, and bed linens, offering vibrant red shades and excellent colorfastness to enhance the aesthetic and functional properties of the fabric.

Key Performance Benefits:

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

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

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

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

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