9727. 2,4,6-Trinitrobenzoic Acid

Nomenclature

CAS number: 129-66-8
sym-Trinitrobenzoic acid.
C7H3N3O8; mol wt 257.11.
C 32.70%, H 1.18%, N 16.34%, O 49.78%.

Description and references

Prepd by chromic acid oxidation of 2,4,6-trinitrotoluene: Clarke, Hartman, Org. Synth. 2, 95 (1922); Kastens, Kaplan, Ind. Eng. Chem. 42, 402 (1950).

Chemical structure

Properties

Orthorhombic crystals from water, mp 228.7°. Sublimes with decompn forming CO2 and trinitrobenzene. Soly at 25°: 2.05% (w/w) in water, 26.6% in alcohol, 14.7% in ether. Also sol in acetone, methanol; slightly sol in benzene.