2-Methylbutan-1-ol

2-Methylbutan-1-ol

2-Methyl-1-butanol[1][2]

Identifiers
CAS number 137-32-6 YesY
PubChem 8723
ChemSpider 8398 YesY
UNII 7VTJ239ASU YesY
ChEBI CHEBI:48945 YesY
Jmol-3D images Image 1
Properties
Molecular formula C5H12O
Molar mass 88.148 g/mol
Appearance colorless liquid
Density 0.8152 g/cm3
Melting point

-117.2 °C, 156 K, -179 °F

Boiling point

127.5 °C, 401 K, 262 °F

Solubility in water 31 g/L
Solubility miscible with ethanol, diethyl ether; very soluble in acetone
Vapor pressure 3 mm Hg
Viscosity 4.453 mPa·s
Thermochemistry
Std enthalpy of
formation
ΔfHo298
-356.6 kJ·mol-1 (liquid)
-301.4 kJ·mol-1 (gas)
Hazards
Autoignition
temperature
385 °C
Related compounds
Related compounds Amyl alcohol
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

2-Methyl-1-butanol (IUPAC name, also called active amyl alcohol) is an organic chemical compound.

It is one of the components of the aroma of Tuber melanosporum, the black truffle.

Uses

It is used as a solvent and an intermediate in the manufacture of other chemicals. 2-Methyl-1-butanol is a component of many mixtures of amyl alcohols sold industrially.

Reactions

2-Methyl-1-butanol can be derived from fusel oil (because it occurs naturally in fruits such as grapes[3]) or manufactured by either the oxo process or via the halogenation of pentane.[2]

See also

  • 2-Methyl-2-butanol

References