Acid Gold Yellow G（Acid Yellow 36）

Acid Gold Yellow G (C.I. Acid Yellow 36) is a premium acid dye known for its vibrant and consistent yellow hues. This dye is specifically formulated for dyeing protein fibers such as wool and silk, as well as polyamide fibers. Acid Gold Yellow G is valued for its excellent color strength, brightness, and fastness properties, including resistance to light, washing, and perspiration. Its high solubility in acidic solutions and stability under varying dyeing conditions make it an ideal choice for achieving high-quality yellow shades in textile applications.

Chemical and Technical Specifications:

• Chemical Name: 1,5-Diamino-2,4-dinitrobenzene

• C.I. Number: 10316

• Molecular Formula: C15H10N4O5S

• Molecular Weight: 322.32 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 4-5

• pH Range: Effective in acidic conditions during dyeing

• Appearance: Bright yellow powder

Industrial Applications:

1. Textile Industry:
   Acid Gold Yellow G is predominantly used for dyeing protein fibers such as wool and silk. It delivers bright, vibrant yellow shades with superior fastness properties, making it ideal for high-quality garments, luxury textiles, and fashion applications.

2. Polyamide Fibers:
   The dye is also used in dyeing polyamide fibers, such as nylon, providing bright yellow coloration with excellent colorfastness. It is suitable for applications in sportswear, hosiery, and other polyamide-based textile products.

3. Specialty Textiles:
   Acid Gold Yellow G is utilized in the dyeing of specialty textiles where vibrant yellow color and durability are required. Its performance under acidic conditions ensures consistent results and high-quality outcomes.

4. Home Textiles:
   The dye is employed in the production of home textiles, including curtains, upholstery, and bed linens, where its bright yellow shade and excellent fastness properties enhance the aesthetic and functional qualities of the fabric.

Key Performance Benefits:

• Vivid Yellow Coloration: Provides a bright and intense yellow color with high color strength and uniformity.

• Superior 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, ensuring 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 various textile products.

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