For procurement managers, R&D scientists, and product formulators in the chemical and plastics industry, understanding the precise technical specifications of a raw material is fundamental to successful product development and manufacturing. Solvent Red 179 (CAS 89106-94-5) is a widely used solvent dye known for its vibrant yellowish-red hue and excellent performance characteristics. As a leading manufacturer and supplier, NINGBO INNO PHARMCHEM is committed to providing comprehensive technical information to assist our clients. This guide delves into the key technical specifications of Solvent Red 179, empowering you to make informed purchasing decisions when you need to buy this versatile dye.

Chemical Identity and Properties:

The chemical name for Solvent Red 179 is C22H12N2O. Its molecular weight is approximately 320.34 g/mol. The CAS Number, 89106-94-5, uniquely identifies this compound. Its appearance is consistently described as a dark red powder, indicating the physical form in which it is supplied. Understanding these fundamental identifiers is the first step for any buyer looking to source this chemical reliably.

Performance Metrics:

  • Heat Resistance Temperature: This is a critical parameter for plastic applications. Solvent Red 179 demonstrates excellent heat resistance, with values often cited up to 300°C. This high thermal stability ensures that the dye maintains its color integrity during high-temperature processing techniques like extrusion and injection molding, a key consideration for procurement professionals seeking reliable materials.
  • Lightfastness: Rated typically between 7-8 on the Blue Wool Scale, Solvent Red 179 exhibits very good lightfastness. This property is crucial for end products that will be exposed to sunlight or artificial light sources, ensuring the color remains vibrant and does not fade over time.
  • Transparency: Solvent Red 179 is valued for its high transparency, making it ideal for applications where clear or translucent colored plastics are required. This property ensures that the dye integrates seamlessly into the polymer matrix without compromising visual clarity.
  • Tinting Strength and Shade: While precise values can vary slightly between manufacturers, Solvent Red 179 generally offers strong tinting strength and a consistent yellowish-red shade, similar to specified standards. Buyers often look for suppliers that provide consistent shade and tinting strength for batch-to-batch reproducibility.

Application Suitability:

The technical data consistently recommends Solvent Red 179 for a range of engineering plastics, including PS, HIPS, ABS, PC, PVC-R, PMMA, SAN, AS, PA6, and PET. Its suitability for PET and PA6 fiber spinning highlights its robustness and superior dispersion capabilities. When comparing different manufacturers or suppliers, always request their specific application data and performance test results to ensure compatibility with your intended use.

Procurement Considerations:

As a leading manufacturer and supplier of Solvent Red 179 in China, NINGBO INNO PHARMCHEM is dedicated to providing materials that meet these rigorous technical specifications. We offer competitive pricing and ensure a stable supply chain for businesses worldwide. If you are looking to buy Solvent Red 179, we encourage you to reach out to us for detailed technical data sheets, samples, and a personalized quote. Understanding these technical details will allow you to confidently source this high-performance dye from a trusted manufacturer.