5825. Mellitic Acid

Nomenclature

CAS number: 517-60-2
1,2,3,4,5,6-Benzenehexacarboxylic acid; hexacarboxybenzene; mellic acid.
C12H6O12; mol wt 342.17.
C 42.12%, H 1.77%, O 56.11%.

Description and references

Preparation from carbonaceous material: M. Kiebler, US 2461740 (1949 to Carnegie Inst. of Tech.); Germain et al., Bull. Soc. Chim. Fr. 1962, 779; from tetrahalophthalic acid: Brusset, Uny, ibid. 1951, 565; Juettner, US 3067246 (1962).

Chemical structure

Properties

Crystals. mp 286-288° in sealed tube with decompn. Freely sol in water or alcohol; sol in boiling concd H2SO4 without decompn.