Basic Red 51, known by its CAS number 12270-25-6, is a widely recognized synthetic dye crucial for various industrial coloring needs. For procurement managers and product developers, understanding this chemical's attributes and sourcing it effectively from reputable manufacturers is a cornerstone of operational success. This article provides a comprehensive overview of Basic Red 51, its applications, and practical advice for purchasing this versatile dye.

The Chemistry and Properties of Basic Red 51

Basic Red 51 is a cationic azo dye, characterized by its positive charge, which allows it to bind strongly with negatively charged substrates. Its chemical makeup, represented by the formula C13H18ClN5 and a molecular weight of approximately 279.77 g/mol, contributes to its distinctive bright red color and excellent dyeing properties. The dye is typically supplied as a red powder and exhibits good solubility in both water and alcohol, making it highly adaptable for use in diverse formulations and processes across different industries.

Its key characteristics include:

  • Vivid Red Hue: Provides an intense and bright red color.
  • Substrate Affinity: Excellent for dyeing acrylic fibers and modified polyester due to its cationic nature.
  • Solubility: Easily dissolves in water and alcohol.
  • Form: Commonly available as a powder.

Primary Applications Across Industries

The utility of Basic Red 51 spans several sectors, driven by its effective coloring capabilities:

  • Textile Industry: It is a preferred dye for acrylic fibers and blends, offering vibrant shades and good fastness.
  • Cosmetic Industry: Frequently used in hair dye formulations to achieve striking and enduring red tones.
  • Paper Industry: Imparts a warm red color to paper products, enhancing their visual appeal.
  • Laboratory Use: Serves as a stain in various scientific and research applications.

How to Purchase Basic Red 51: Sourcing from Quality Manufacturers

When businesses need to buy Basic Red 51, the focus should be on securing a reliable supply of high-quality material. Manufacturers and suppliers in China are prominent in the global market for this chemical, often providing competitive pricing due to scaled production.

Key steps for effective sourcing include:

  • Supplier Vetting: Identify manufacturers with a strong reputation and a proven history in the specialty chemical sector. Look for companies that specialize in dyes and colorants.
  • Quality Assurance: Always request a Certificate of Analysis (CoA) to confirm the dye's purity (typically >98.0%) and specifications, ensuring it meets your application's standards.
  • Price Comparison: Obtain quotes from multiple suppliers to compare pricing and identify the most cost-effective option for your needs, especially for bulk purchases.
  • Delivery and Lead Times: Clarify delivery schedules and shipping logistics to ensure timely procurement for your production cycles.
  • Technical Support: Choose suppliers who can offer technical assistance and are responsive to your queries regarding product application.

By carefully considering these factors, companies can successfully purchase Basic Red 51, ensuring they source a high-performance dye that meets their manufacturing and product development requirements.