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3,5-Lutidine

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3,5-Lutidine Basic information
3,5-Lutidine Chemical Properties
  • Melting point:-9 °C
  • Boiling point:169-170 °C(lit.)
  • Density 0.939 g/mL at 25 °C(lit.)
  • vapor pressure 1.5 mm Hg ( 20 °C)
  • refractive index n20/D 1.504(lit.)
  • Flash point:128 °F
  • storage temp. 2-8°C
  • solubility Sol
  • pka6.15(at 25℃)
  • form Liquid
  • color Clear yellow
  • Water Solubility 33 g/L (20 ºC)
  • Sensitive Hygroscopic
  • BRN 105682
  • InChIKeyHWWYDZCSSYKIAD-UHFFFAOYSA-N
  • CAS DataBase Reference591-22-0(CAS DataBase Reference)
  • NIST Chemistry ReferencePyridine, 3,5-dimethyl-(591-22-0)
  • EPA Substance Registry System3,5-Dimethylpyridine (591-22-0)
Safety Information
MSDS
3,5-Lutidine Usage And Synthesis
  • Chemical PropertiesCLEAR YELLOW LIQUID
  • Purification MethodsDry 3,5-lutidine with sodium and fractionally distil it through a Todd column (p 11) packed with glass helices. Dissolve (100mL) in dilute HCl (1:4) and steam distil this until 1L of distillate is collected. Excess conc NaOH is added to the residue which is again steam distilled. The base is extracted from the distillate, using diethyl ether. The extract is dried over K2CO3, and distilled. It is then fractionally crystallised by partial freezing. The hydrochloride has m 229o(sublimes at 190-231o), and the picrate has m 242-243o(dec, from H2O), 249-250o(dec, from AcOH). [Beilstein 20 II 161, 20 III/IV 2788, 20/6 V 60.]
3,5-Lutidine Preparation Products And Raw materials
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