Title: o-Nitroaniline
CAS Registry Number: 88-74-4
Additional Names: o-Nitraniline
Molecular Formula: C6H6N2O2
Molecular Weight: 138.12
Percent Composition: C 52.18%, H 4.38%, N 20.28%, O 23.17%
Literature References: Prepn from o-dinitrobenzene: Meisenheimer, Hesse, Ber. 52, 1166 (1919); from o-nitroaniline-p-sulfonic acid: Ehrenfeld, Puterbaugh, Org. Synth. coll. vol. I, 388 (1941); from y-o-dinitrosobenzene: Boyer et al., J. Am. Chem. Soc. 77, 5688 (1955).
Properties: Orange-yellow crystals from boiling water, mp 69-71°. Calc bp 284°. d425 0.9015. Slightly sol in cold water; sol in hot water, alcohol, chloroform. Forms water soluble salts with mineral acids.
Melting point: mp 69-71°
Boiling point: bp 284°
Density: d425 0.9015
CAUTION: See m-Nitroaniline.
Use: Dyestuff intermediate.

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