Trimellitic Anhydride (TMA), identified by CAS No. 552-30-7, is a multifunctional organic compound that serves as a critical intermediate in numerous industrial processes. Its chemical structure, derived from trimellitic acid, features both anhydride and carboxylic acid functionalities, bestowing upon it a unique reactivity profile that is highly valued in synthesis and formulation.

The physical appearance of high-purity TMA is typically white flakes, with a melting point around 168°C. Chemically, it is characterized by its anhydride nature, readily reacting with water to form trimellitic acid, and its ability to undergo esterification and amidation reactions. These reactive properties make it an exceptionally versatile building block for a wide range of advanced materials.

One of the primary applications for TMA is in the production of specialty resins, notably polyester resins and polyimide resins. These resins are prized for their excellent thermal stability, mechanical strength, and chemical resistance, finding use in high-performance composites, electrical insulation, and aerospace components. Furthermore, TMA is a key precursor in the synthesis of trimellitate plasticizers, such as TOTM, which impart superior heat resistance, low volatility, and improved flexibility to PVC and other polymers, crucial for applications like wire and cable insulation.

Beyond resins and plasticizers, TMA also finds utility in the formulation of advanced coatings, where it enhances thermal resistance and durability. It is also used in producing insulating oils for power capacitors and as a binder for granular materials. For manufacturers seeking to purchase Trimellitic Anhydride, understanding these applications highlights the compound's importance in achieving desired product performance.

NINGBO INNO PHARMCHEM CO.,LTD. is a dedicated manufacturer and supplier of high-purity Trimellitic Anhydride, serving diverse industrial needs. We are committed to providing reliable access to this essential chemical intermediate for businesses worldwide. If your organization requires Trimellitic Anhydride for your manufacturing processes, we encourage you to contact us to inquire about our product specifications, availability, and competitive pricing. We are equipped to handle both sample requests and bulk orders, ensuring your supply chain is robust and efficient.