Trimellitic Anhydride (TCI C0046, CAS 552-30-7) is a trifunctional aromatic anhydride bearing both an anhydride ring and a free carboxylic acid group. This combination makes it a key monomer for polyimides, polyesterimides, and cross-linked alkyd or polyester resins with high thermal stability. It also serves as a starting material for trimellitate esters studied as plasticisers. The compound is a respiratory sensitiser and moisture sensitive, so handle it in a fume hood with suitable protection and store it tightly closed in a cool, dry place.
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- Unemori (2003). Water absorption of poly(methyl methacrylate) containing 4-methacryloxyethyl trimellitic anhydride. Biomaterials doi:10.1016/s0142-9612(02)00521-5
- TESHIMA et al. (2002). Microcapsule Toner of Trimellitic Anhydride.. NIPPON KAGAKU KAISHI doi:10.1246/nikkashi.2002.63
- (1991). Trimellitic Anhydride. Applied Occupational and Environmental Hygiene doi:10.1080/1047322x.1991.10387947
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