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(S)-(-)-2-Methyl-1-butanol

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(S)-(-)-2-Methyl-1-butanol Basic information
(S)-(-)-2-Methyl-1-butanol Chemical Properties
  • Melting point:-70 °C
  • alpha -5.8 º (neat 23 ºC)
  • Boiling point:136-138 °C(lit.)
  • Density 0.811 g/mL at 25 °C(lit.)
  • vapor density 3 (vs air)
  • vapor pressure 1 mm Hg ( 13.6 °C)
  • refractive index n20/D 1.409(lit.)
  • Flash point:120 °F
  • pka15.24±0.10(Predicted)
  • optical activity[α]23/D 5.8°, neat
  • Water Solubility 36 g/L (30 ºC)
  • Merck 14,6030
  • BRN 1718809
  • CAS DataBase Reference1565-80-6(CAS DataBase Reference)
  • NIST Chemistry Reference1-Butanol, 2-methyl-, (S)-(1565-80-6)
  • EPA Substance Registry System1-Butanol, 2-methyl-, (2S)- (1565-80-6)
Safety Information
  • Hazard Codes Xn
  • Risk Statements 10-20-37-66-2017/10/20
  • Safety Statements 46-24/25
  • RIDADR UN 1105 3/PG 3
  • WGK Germany 1
  • RTECS SB9800000
  • HazardClass 3
  • PackingGroup III
  • HS Code 29051990
MSDS
(S)-(-)-2-Methyl-1-butanol Usage And Synthesis
  • Chemical Propertiesclear colourless liquid
  • DefinitionChEBI: The (S)-enantiomer of 2-methylbutan-1-ol.
  • Purification MethodsReflux the butanol with CaO, distil, reflux with magnesium and again fractionally distil it. A small sample of highly purified material is obtained by fractional crystallisation after conversion into a suitable ester such as the trinitrophthalate or the 3-nitrophthalate. The latter is converted to the cinchonine salt in acetone and recrystallised from CHCl3 by adding pentane. The salt is saponified, extracted with ether, and fractionally distilled. [Terry et al. J Chem Eng Data 5 403 1960, Beilstein 1 IV 1666.]
(S)-(-)-2-Methyl-1-butanol Preparation Products And Raw materials
(S)-(-)-2-Methyl-1-butanol(1565-80-6)Related Product Information
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