Trimellitic Anhydride "Trimellitic Acid Cyclic 1,2-anhydride; Anhydro trimellitic acid; 1,2,4-benzenetricarboxylic acid cyclic 1,2-anhydride; 1,2,4-Benzenetricarboxylic anhydride; 4-carboxyphthalic anhydride; 1,3-dioxo-5-phthalancarboxylic acid; 5-phthalancarboxylic acid, 1,3-dioxo-TMAN; Trimellitic acid 1,2-anhydride; TMA; TMAN; Benzene-1,2,4-tricarboxylic-1,2-anhydride; Benzol-1,2,4-tricarbonsäure-1,2-anhydrid (German); 1,2-anhidrido del ácido benceno-1,2,4-tricarboxílico (Spanish); 1,2-Anhydride de l'acide benzene-1,2,4-tricarboxylique (French); 

cas no :552-30-7"