In the realm of industrial chemistry, specific intermediate compounds are vital for creating the vast array of colorants that permeate our lives. Metanilic Acid, identified by its CAS number 121-47-1, stands out as a critical component, particularly in the synthesis of azo and sulfur dyes. For procurement managers and chemical formulators, understanding the applications and sourcing of this compound is essential. As a leading Metanilic Acid supplier in China, we are committed to providing high-quality materials that drive innovation and efficiency in dye manufacturing.

Metanilic Acid, chemically known as 3-Aminobenzenesulfonic acid, is a versatile building block. Its structural features enable it to participate in crucial chemical reactions that form the basis of many important dyes. Its primary contributions are seen in:

  • Azo Dye Manufacturing: The synthesis of azo dyes, characterized by the azo linkage (-N=N-), often involves the diazotization of an aromatic amine followed by coupling with another aromatic compound. Metanilic Acid, when diazotized, can act as either the diazo component or the coupling component, leading to a wide range of colors and properties suitable for various applications, from textiles to inks.
  • Sulfur Dye Production: These dyes, known for their affordability and good fastness on cotton, are produced by heating aromatic amines, phenols, or nitro compounds with sulfur or sodium polysulfide. Metanilic Acid is an important precursor that contributes to the structural diversity and dyeing characteristics of sulfur dyes, including specific types like weak acid dark blue 5R and GR acid golden G mentioned in dye literature.
  • Other Dye Classes: While azo and sulfur dyes are prominent, Metanilic Acid also finds application in the preparation of reactive dyes and certain acid dyes, further cementing its importance in the colorant industry.

For businesses aiming to buy Metanilic Acid, quality assurance is paramount. Our products typically boast a purity of ≥98%, ensuring that the downstream synthesis processes yield consistent and reliable results. This high standard is maintained through rigorous quality control measures at our manufacturing facilities in China. We understand that reliable supply chain management is key for any industrial operation, and we strive to be a dependable source for your chemical needs.

When considering the procurement of Metanilic Acid, evaluating the Metanilic Acid price is a standard procedure. As a direct manufacturer, we are positioned to offer competitive pricing, especially for bulk quantities. We encourage R&D scientists and purchasing professionals to reach out to us for a detailed quote, enabling informed decisions about sourcing this critical intermediate. Understanding the market and partnering with efficient suppliers can lead to significant cost savings and operational advantages.

Beyond its role in dye synthesis, Metanilic Acid also serves as an intermediate for other chemicals, such as m-aminophenol and vanillin. This dual utility highlights its value as a fundamental organic chemical.

In summary, for industries reliant on azo and sulfur dyes, Metanilic Acid (CAS 121-47-1) is an indispensable intermediate. We invite you to partner with us, a trusted Metanilic Acid supplier from China, to secure a high-quality, consistently supplied product at competitive prices. Contact us to discuss your specific requirements and to obtain a quotation.