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2-Pyridinecarboxaldehyde

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2-Pyridinecarboxaldehyde Basic information
2-Pyridinecarboxaldehyde Chemical Properties
  • Melting point:-21--22°C
  • Boiling point:181 °C(lit.)
  • Density 1.126 g/mL at 25 °C(lit.)
  • refractive index n20/D 1.536(lit.)
  • Flash point:130 °F
  • storage temp. 2-8°C
  • form liquid (strong colored)
  • pka3.8(at 20℃)
  • color Clear yellow to yellow-brown
  • PH6.5 (111g/l, H2O, 20℃)
  • Water Solubility miscible
  • Sensitive Air Sensitive
  • BRN 105341
  • InChIKeyCSDSSGBPEUDDEE-UHFFFAOYSA-N
  • CAS DataBase Reference1121-60-4(CAS DataBase Reference)
  • NIST Chemistry Reference2-Pyridinecarboxaldehyde(1121-60-4)
  • EPA Substance Registry System2-Pyridinecarboxaldehyde(1121-60-4)
Safety Information
MSDS
2-Pyridinecarboxaldehyde Usage And Synthesis
  • Chemical PropertiesYellow liquid
  • DefinitionChEBI: A pyridinecarbaldehyde that is pyridine in which the hydrogen at position 2 is replaced by a formyl group.
  • Purification MethodsPurification is achieved by bubbling sulfur dioxide into a solution of 50g of the aldehyde in 250mL of boiled water, under nitrogen, at 0o, until precipitation is complete. The bisulfite addition compound is filtered off rapidly and, after washing with a little water, is refluxed in 17% HCl (200mL) under nitrogen until a clear solution is obtained. Neutralisation with NaHCO3 and extraction with ether separated the aldehyde which is recovered by drying the extract, then distilling twice, under nitrogen. [Kyte et al. J Chem Soc 4454 1960, Beilstein 21 I 287, 21 III/IV 3495, 21/7 V 293.]
2-Pyridinecarboxaldehyde Preparation Products And Raw materials
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