2-Methyl-1-butanol

2-Methyl-1-butanol

Names
IUPAC name 2-Methyl-1-butanol
Other names 2-Methylbutan-1-ol, active amyl alcohol
Identifiers
CAS Number	137-32-6 Y
ChEBI	CHEBI:48945 Y
ChEMBL	ChEMBL451923 Y
ChemSpider	8398 Y
Jmol 3D model	Interactive image
PubChem	8723
UNII	7VTJ239ASU Y
InChI InChI=1S/C5H12O/c1-3-5(2)4-6/h5-6H,3-4H2,1-2H3 Y Key: QPRQEDXDYOZYLA-UHFFFAOYSA-N Y InChI=1/C5H12O/c1-3-5(2)4-6/h5-6H,3-4H2,1-2H3 Key: QPRQEDXDYOZYLA-UHFFFAOYAW
SMILES OCC(C)CC
Properties
Chemical formula	C5H12O
Molar mass	88.148 g/mol
Appearance	colorless liquid
Density	0.8152 g/cm3
Melting point	−117.2 °C (−179.0 °F; 156.0 K)
Boiling point	127.5 °C (261.5 °F; 400.6 K)
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)
Vapor pressure	{{{value}}}
Related compounds
Related compounds	Amyl alcohol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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) or manufactured by either the oxo process or via the halogenation of pentane.

See also

• 2-Methyl-2-butanol