In the dynamic world of chemical synthesis, identifying reliable and high-quality intermediates is paramount for success. One such critical compound is 4-Phenoxyaniline, also known by its CAS number 139-59-3. This versatile molecule serves as a fundamental building block, particularly within the pharmaceutical and dye industries. As a leading manufacturer and supplier in China, we understand the rigorous demands of B2B clients seeking consistent quality and dependable supply chains.

What is 4-Phenoxyaniline?

4-Phenoxyaniline (C12H11NO) is an aromatic amine featuring a phenoxy group attached to an aniline core. Its structure lends itself to a wide array of chemical transformations, making it an invaluable intermediate. Its common synonyms include 4-Aminodiphenyl ether and p-Phenoxyaniline. With a molecular weight of 185.22 and a CAS number of 139-59-3, it is readily identifiable in chemical databases.

Key Applications in Industry

The utility of 4-Phenoxyaniline spans several key sectors:

• Pharmaceutical Intermediates: This is perhaps its most significant application. 4-Phenoxyaniline is a crucial precursor in the synthesis of various Active Pharmaceutical Ingredients (APIs). Its incorporation into molecular structures can impart specific pharmacological properties, making it a target for drug discovery and development. For R&D scientists and procurement managers looking to buy 4-phenoxyaniline for API synthesis, ensuring high purity is non-negotiable.
• Dyes and Pigments: The compound also finds application as an intermediate in the production of certain dyes and pigments. Its aromatic structure contributes to the chromophoric properties of the final colorants used in textiles, inks, and coatings.
• Organic Synthesis: As a general building block, it is employed in broader organic synthesis projects, enabling chemists to construct complex molecules for advanced materials or fine chemical production.

Why Choose a Reliable Manufacturer?

For B2B customers, sourcing chemical intermediates involves more than just finding the lowest price. Reliability, purity, and consistency are critical. When you purchase 4-phenoxyaniline, consider the following:

• Purity Standards: For pharmaceutical applications, rigorous purity levels (e.g., 98% HPLC) are essential to avoid side reactions and ensure the efficacy and safety of the final product.
• Supply Chain Security: A stable supply chain from a reputable manufacturer in China ensures that your production schedules are not disrupted. We pride ourselves on our logistical efficiency and commitment to timely deliveries.
• Technical Support: Access to technical data sheets, safety information (SDS), and certificates of analysis (COA) is vital for regulatory compliance and process optimization.

If your organization requires high-quality 4-Phenoxyaniline (CAS 139-59-3) for pharmaceutical synthesis or other industrial applications, partnering with an experienced and reputable supplier is key. We are committed to providing exceptional products and services to meet your diverse chemical sourcing needs.