Structural Formula Vector Image
Title: Acetoxime
CAS Registry Number: 127-06-0
CAS Name: 2-Propanone oxime
Additional Names: acetone oxime; b-isonitrosopropane
Molecular Formula: C3H7NO
Molecular Weight: 73.09
Percent Composition: C 49.30%, H 9.65%, N 19.16%, O 21.89%
Line Formula: (CH3)2C=NOH
Literature References: Prepd by shaking an aqueous soln of hydroxylamine with acetone and extracting with ether: W. L. Semon, Org. Synth. coll. vol. I, 318 (2nd ed., 1941). Ionization constants: C. V. King, A. P. Marion, J. Am. Chem. Soc. 66, 977 (1944).
Properties: Columnar prisms. Volatilizes quickly in air. Odor resembling that of chloral hydrate. d462 0.9113. mp 60°. bp728 134.8°. Neutral reaction. pK (24.9°): 12.42. uv spectrum: Hartley, Dobbie, J. Chem. Soc. 77, 326 (1900). Freely soluble in water, alcohol, ether, petr ether. Can be extracted with ether from neutral water solns, but not from alkaline or acidic solns.
Melting point: mp 60°
Boiling point: bp728 134.8°
pKa: pK (24.9°): 12.42
Density: d462 0.9113

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