3277. 3,5-Dinitrobenzoyl Chloride

Nomenclature

CAS number: 99-33-2
C7H3ClN2O5; mol wt 230.56.
C 36.47%, H 1.31%, Cl 15.38%, N 12.15%, O 34.70%.

Description and references

Prepd from 3,5-dinitrobenzoic acid and PCl5 at 120-130°: Saunders et al., Biochem. J. 36, 368 (1942).

Chemical structure

Properties

Needles from light petr (bp 40-60°), mp 69.5°. bp10-12 196°.

Caution

A strong irritant.

Use

Identification of amino acids; characterization of the alcohol part of acetals and ketals without prior hydrolysis and separation of the alcohol.