Rhodamine B Extra (Basic Violet 10)

Rhodamine B Extra (C.I. Basic Violet 10) is a high-performance cationic dye known for its intense violet coloration and exceptional dyeing properties. Ideal for use on synthetic fibers such as acrylic and polyester, Rhodamine B Extra delivers deep, vivid shades of violet with excellent color strength and fastness. It is widely used in various textile applications for producing vibrant, long-lasting colors.

Chemical and Technical Specifications:

• Chemical Name: 2-(4-(Dimethylamino)phenyl)-2-(4-(dimethylamino)phenyl)benzo[d][1,3]dioxole

• C.I. Number: 45170

• Molecular Formula: C28H31N3O3

• Molecular Weight: 445.57 g/mol

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

• Dyeing Method: Cationic 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 slightly acidic to neutral conditions during dyeing

• Appearance: Deep violet powder

Industrial Applications:

1. Synthetic Fibers:
   Rhodamine B Extra is primarily used for dyeing synthetic fibers such as acrylic and polyester. It provides a vivid violet color with excellent colorfastness, making it ideal for high-quality textile and fashion applications.

2. Textile Industry:
   This dye is employed in the textile industry to create vibrant violet shades on various fabrics, including sportswear, outerwear, and home textiles. Its strong color strength ensures deep and consistent dyeing results.

3. Specialty Textiles:
   Rhodamine B Extra is suitable for specialty textile applications requiring a bright and durable violet color. Its reliable performance in cationic dyeing processes guarantees high-quality outcomes.

4. Consumer Goods:
   The dye is also used in consumer goods such as upholstery, curtains, and bedding, offering vibrant violet hues with excellent fastness properties for enhanced visual appeal and product durability.

5. Paper Industry: Rhodamine B Extra is used in the paper industry to impart vivid violet colors to various paper products, including specialty papers and packaging materials.

6. Inks and Coatings: This dye is suitable for use in inks and coatings, offering bright violet hues and excellent performance in printing and coating applications.

Key Performance Benefits:

• Intense Violet Coloration: Delivers a deep and brilliant violet color with high color strength and uniformity.

• Outstanding Fastness: Provides excellent 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 consistent and reliable dyeing results across various textile applications.

• Versatile Use: Suitable for synthetic fibers such as acrylic and polyester, making it adaptable for diverse textile products.

• High Performance: Offers superior performance with excellent colorfastness, ideal for premium fashion and functional textile applications.