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6-Methylquinoline Basic information
6-Methylquinoline Chemical Properties
  • Melting point:-22°C
  • Boiling point:256-260 °C (lit.)
  • Density 1.067 g/mL at 20 °C (lit.)
  • vapor density >1 (vs air)
  • refractive index n20/D 1.614(lit.)
  • Flash point:>230 °F
  • storage temp. Store below +30°C.
  • form Liquid
  • pka5.21±0.10(Predicted)
  • color green-yellow
  • Odorblossom odor, sweet, animalic upon dilution
  • Water Solubility Not miscible or difficult to mix with water.
  • Sensitive Light Sensitive
  • JECFA Number1302
  • BRN 110336
  • CAS DataBase Reference91-62-3(CAS DataBase Reference)
  • NIST Chemistry ReferenceQuinoline, 6-methyl-(91-62-3)
  • EPA Substance Registry System6-Methylquinoline (91-62-3)
Safety Information
6-Methylquinoline Usage And Synthesis
  • Description6-Methylquinoline has a quinoline odor. May be synthesized from p-amino-benzaldehyde and acetone.
  • Chemical Properties6-Methylquinoline has a pungent, heavy odor.
  • Chemical Propertiesclear light yellow to light orange liquid
  • OccurrenceReported found in Finnish and Japanese whiskey.
  • General DescriptionClear pale yellow liquid or oil.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity Profile6-Methylquinoline is sensitive to prolonged exposure to light. May react vigorously with strong oxidizing agents and strong acids . Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
  • Fire Hazard6-Methylquinoline is probably combustible.
  • Chemical SynthesisFrom coal tar, by synthesis from p-aminobenzaldehyde and acetone.
  • Purification MethodsReflux it with BaO, then fractionally distil it. Further purified it via its recrystallised ZnCl2 complex (m 190o). [Cumper et al. J Chem Soc 1176 1962, Beilstein 20 III/IV 3498, 20/7 V 400.]
6-Methylquinoline Preparation Products And Raw materials
6-Methylquinoline(91-62-3)Related Product Information
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