Basic Red 51, identified by its CAS number 12270-25-6, is a versatile cationic azo dye that has found significant utility across various industrial sectors. For purchasing managers and R&D scientists in the chemical and manufacturing industries, understanding the sourcing landscape and application nuances of this vibrant red dye is crucial. This guide aims to provide insights into where to buy Basic Red 51, its primary uses, and what to look for in a reliable supplier.

Understanding Basic Red 51: Properties and Applications

As a basic dye, Basic Red 51 is characterized by its cationic nature, which makes it particularly effective for dyeing substrates like acrylic fibers, modified polyester fibers, and paper. Its chemical formula, C13H18ClN5, and molecular weight of approximately 279.77 g/mol, contribute to its specific dyeing properties. Beyond textiles and paper, this dye is also sought after in the cosmetic industry, specifically for hair dye formulations, where its ability to impart bright, long-lasting red hues is highly valued. Its solubility in water and alcohol further enhances its ease of use in various formulations.

Key Applications Driving Demand:

  • Textile Industry: Provides a vivid red color to acrylic and modified polyester fabrics, offering good color fastness. Manufacturers often look for consistent dye content and purity to ensure reproducible results.
  • Cosmetic Industry: Essential for creating vibrant red hair colors. Formulators seek dyes that are safe for use and offer excellent color payoff and longevity. Sourcing cosmetic-grade ingredients is paramount.
  • Paper Manufacturing: Used to achieve warm red tones in paper products, enhancing their aesthetic appeal.
  • Biological Staining: Its properties also make it useful as a stain in scientific research and diagnostics.

Where to Buy Basic Red 51: Sourcing Strategies

When looking to purchase Basic Red 51, potential buyers often prioritize reliable manufacturers and suppliers who can guarantee product quality, competitive pricing, and consistent availability. China has emerged as a significant hub for chemical manufacturing, offering a broad spectrum of Basic Red 51 suppliers. Buyers should look for suppliers who provide detailed product specifications, certificates of analysis (CoA), and are transparent about their manufacturing processes.

When searching for a supplier, consider the following:

  • Supplier Reputation: Opt for established companies with a proven track record in chemical supply. Look for customer reviews and testimonials.
  • Product Purity and Specifications: Ensure the dye meets your specific application requirements, whether it's for technical use in textiles or higher purity standards for cosmetics. Always request a CoA.
  • Pricing and Bulk Discounts: Obtain quotes from multiple suppliers to compare pricing, especially for bulk purchases. Understanding the price per kilogram is key for cost-effective procurement.
  • Lead Times and Shipping: Clarify delivery times and shipping options, particularly if you have time-sensitive production needs.
  • Customer Support: A responsive supplier with good customer service can assist with technical queries and smooth the purchasing process.

For businesses seeking to buy Basic Red 51, engaging with manufacturers and distributors that specialize in dyes and chemical intermediates is the most efficient approach. Exploring online chemical marketplaces or contacting specialized chemical distributors can help identify top-tier suppliers in China and globally. Prioritizing a supplier that also offers samples for testing can further mitigate risks and ensure the dye meets your exact performance criteria.