Trimellitic Anhydride (TMA)

Chemical Formula: C₉H₄O₅

 CAS No.: 552-30-7 

Physical Properties: White crystalline powder, melting point 164–168°C, boiling point 390°C. Soluble in acetone and DMF, slightly soluble in water.

Applications: Used in polyester resins, epoxy curing agents, plasticizers (e.g., TOTM), and high-temperature insulation materials.