2,4-Dinitroaniline
Title: 2,4-Dinitroaniline
CAS Registry Number: 97-02-9
CAS Name: 2,4-Dinitrobenzenamine
Molecular Formula: C6H5N3O4
Molecular Weight: 183.12
Percent Composition: C 39.35%, H 2.75%, N 22.95%, O 34.95%
Literature References: Prepn: Wells, Allen, Org. Synth. coll. vol. II, 221 (1943). Liquid chromatographic determn: A. L. Scher, J. Assoc. Off. Anal. Chem. 68, 474 (1985). Metabolism and disposition in rats: H. B. Matthews et al., Xenobiotica 16, 1 (1986). Toxicity study: E. G. Feldmann, W. O. Foye, J. Am. Pharm. Assoc. Sci. Ed. 48, 419 (1959).
Properties: Yellow needles from dil acetone, greenish-yellow plates from alcohol. mp 187.5-188°. pKa 18.46. Practically insol in cold water. Very sparingly sol in boiling water. 5.8 parts dissolve in 1000 parts of 88% alc at 18°; one part dissolves in 132.6 parts of 95% alc at 21°.
Melting point: mp 187.5-188°
pKa: pKa 18.46
CAUTION: May be irritating to skin, mucous membranes.
Use: In prepn of azo dyes.

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