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2-Piperidone

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2-Piperidone Basic information
2-Piperidone Chemical Properties
  • Melting point:38-40 °C (lit.)
  • Boiling point:256 °C (lit.) 81-82 °C/0.1 mmHg (lit.)
  • Density 1.073
  • refractive index 1.4431 (estimate)
  • Flash point:>230 °F
  • storage temp. Sealed in dry,Room Temperature
  • form Low Melting Crystalline Mass
  • color White to yellow to brown
  • PH4.8 (200g/l, H2O, 20℃)
  • explosive limit1.5-8.7%(V)
  • Water Solubility 291 g/L (25 ºC)
  • Sensitive Hygroscopic
  • BRN 106434
  • InChIKeyXUWHAWMETYGRKB-UHFFFAOYSA-N
  • CAS DataBase Reference675-20-7(CAS DataBase Reference)
  • NIST Chemistry Reference2-Piperidinone(675-20-7)
  • EPA Substance Registry System2-Piperidone (675-20-7)
Safety Information
MSDS
2-Piperidone Usage And Synthesis
  • Chemical Propertieswhite to yellowish low melting crystalline mass
  • Synthesis Reference(s)Journal of the American Chemical Society, 102, p. 7629, 1980 DOI: 10.1021/ja00546a001
    Tetrahedron Letters, 28, p. 2829, 1987 DOI: 10.1016/S0040-4039(00)96220-8
    The Journal of Organic Chemistry, 21, p. 965, 1956 DOI: 10.1021/jo01115a010
  • Purification MethodsPurify it by repeated fractional distillation.[Cowley J Org Chem 23 1330 1958, Reppe et al. Justus Liebigs Ann Chem 596 198 1955, IR: Huisgen et al. Chem Ber 90 1437 1957.] The hydrochloride has m 183-184o (from isoPrOH or EtOH/Et2O) [Hurd et al. J Org Chem 17 865 1952], and the oxime has m 122.5o (from pet ether) [Behringer & Meier Justus Liebigs Ann Chem 607 67 1957]. The picrate has m 92-93o. [Beilstein 21 H 239, 21 III/IV 3170, 21/6 V 396.]
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