Title: Isophthalic Acid
CAS Registry Number: 121-91-5
CAS Name: 1,3-Benzenedicarboxylic acid
Additional Names: m-phthalic acid
Molecular Formula: C8H6O4
Molecular Weight: 166.13
Percent Composition: C 57.84%, H 3.64%, O 38.52%
Literature References: Obtained by the oxidation of m-xylene: Smith, J. Am. Chem. Soc. 43, 1920 (1921); Weisemann, Fragen, Proc. 5th World Petrol. Congr. 4, 197 (1960); Brill, Ind. Eng. Chem. 52, 837 (1960); Bhattacharyya, Ganguly, J. Indian Chem. Soc. 38, 463 (1961); Saffer, Barker, US 3089906 (1963 to Mid-Century Corp.); Hay, GB 951192 (1964 to General Electric).
Properties: Cryst powder, mp 345-348°; sublimes without decompn. Sol in 8000 parts cold water, 460 boiling water; freely sol in alcohol, glacial acetic acid; practically insol in benzene, petr ether.
Melting point: mp 345-348° |