Basic Red 51, identified by its CAS number 12270-25-6, is a fundamental dye within the chemical industry, valued for its distinct red color and broad applicability. Procurement managers and research scientists frequently look to this compound for its reliable performance in dyeing textiles, coloring paper, and even in specialized cosmetic formulations. Understanding its chemical makeup, application benefits, and how to source it from quality manufacturers is key for any business relying on this versatile chemical.

Chemical Profile of Basic Red 51

Basic Red 51 is a cationic azo dye, meaning it carries a positive charge. This characteristic is critical for its effectiveness in dyeing negatively charged substrates. Its molecular formula is C13H18ClN5, with a molecular weight of approximately 279.77 g/mol. The dye typically presents as a red powder and is soluble in water and alcohol, making it adaptable for various liquid and semi-solid formulations. Its classification as a basic dye means it adheres well to materials like acrylic fibers, which possess anionic sites, leading to vibrant and durable coloration.

Key Industry Applications:

  • Textile Dyeing: It is widely used for dyeing acrylic fibers, modified polyester, and other synthetic materials, imparting a bright and consistent red shade.
  • Paper Coloration: In the paper industry, Basic Red 51 provides an attractive red hue to products, enhancing their visual appeal.
  • Cosmetics: The dye is also employed in cosmetic products, most notably hair dyes, for its ability to deliver bright, long-lasting red colors.
  • Research and Laboratory Use: Its staining properties make it useful in biological and chemical research contexts.

Sourcing Basic Red 51: A Strategic Approach for Buyers

For businesses aiming to buy Basic Red 51, selecting a dependable supplier is paramount. The global chemical market, with a significant presence of manufacturers in China, offers numerous options. Procurement professionals should focus on suppliers who can guarantee:

  • Consistent Quality: Look for suppliers who provide detailed product specifications and Certificates of Analysis (CoA), confirming purity levels (often exceeding 98.0%) and adherence to industry standards.
  • Competitive Pricing: Obtaining multiple quotes is essential to secure the best possible price, especially for bulk orders. Understanding the cost per kilogram from different manufacturers helps in making informed purchasing decisions.
  • Reliable Supply Chain: A stable supply ensures uninterrupted production. Inquire about lead times, shipping capabilities, and the supplier's capacity to meet your ongoing demand.
  • Technical Expertise: Suppliers with strong technical support can assist with application-specific queries, helping optimize the use of Basic Red 51 in your processes.

By understanding the chemical characteristics and application benefits of Basic Red 51, and by implementing a rigorous supplier selection process, companies can ensure they are sourcing a high-quality ingredient that meets their operational needs and contributes to the success of their final products.