In the vibrant world of color chemistry, the quality of intermediates directly dictates the brilliance and fastness of the final dyes. Among these vital building blocks, 1-Naphthol-4-sulfonic Acid Sodium Salt stands out as a cornerstone for the synthesis of a broad spectrum of azo dyes. For procurement managers and formulation scientists in the textile, printing, and pigment industries, understanding the sourcing and application of this chemical is paramount.

What is 1-Naphthol-4-sulfonic Acid Sodium Salt?
This compound, identified by CAS number 6099-57-6, is a naphthalene derivative that plays a critical role as an intermediate in organic synthesis, particularly in the creation of azo dyes. Its chemical structure facilitates the coupling reactions necessary to form complex chromophores, resulting in a wide range of colors. As a manufacturer, ensuring the high purity and consistent quality of this intermediate is our primary focus.

Applications in the Dye Industry
The utility of 1-Naphthol-4-sulfonic Acid Sodium Salt spans across numerous dye classifications. It is instrumental in the production of:

  • Direct Dyes: Such as Direct Copper Blue BR and 2R, and Direct Violet RB, known for their application on cellulosic fibers.
  • Acid Dyes: Including Acid Red B and Acid Medium Jujube Red B, which are used for dyeing protein fibers like wool and silk, as well as synthetic fibers like nylon.
The demand for these dyes in the textile sector, coupled with their use in paper and leather coloration, underscores the consistent need for reliable suppliers of this intermediate.

Sourcing Considerations for B2B Buyers
When looking to purchase 1-Naphthol-4-sulfonic Acid Sodium Salt, several factors are crucial for industrial buyers:

  • Purity: A minimum purity of 99.5% is often required to ensure efficient reaction yields and the desired color characteristics in the final dye product.
  • Supplier Reliability: Partnering with a reputable manufacturer, especially one based in China, can offer cost advantages and ensure a stable supply chain.
  • Competitive Pricing: Securing this material at a competitive price point is essential for maintaining the cost-effectiveness of dye production.
  • Quality Standards: Adherence to industry standards, such as GMP or SGS certifications, can provide added assurance of product quality.

As a dedicated manufacturer and supplier, we are committed to meeting these needs. We offer 1-Naphthol-4-sulfonic Acid Sodium Salt at competitive prices, backed by stringent quality control and a robust supply chain from China. For procurement managers seeking to secure a consistent supply of this vital dye intermediate, we invite you to contact us for a quote and sample. Understanding the market dynamics and the importance of dependable chemical sourcing allows us to serve your needs effectively.