Title: 2-Methyl-1-butanol
CAS Registry Number: 137-32-6
Additional Names: Active amyl alcohol; dl-sec-butyl carbinol
Molecular Formula: C5H12O
Molecular Weight: 88.15
Percent Composition: C 68.13%, H 13.72%, O 18.15%
Line Formula: CH3CH2CH(CH3)CH2OH
Literature References: One of the major components of fusel oil, q.v. Prepn: Hawthorne, J. Org. Chem. 23, 1788 (1958); GB 883375 (1961 to Continental Oil). Isoln of (-)-form by fractional distillation of fusel oil: Milburn, Truter, J. Chem. Soc. 1954, 3344. Prepn of (+)-form: Carnmalm, Chem. Ind. (London) 1956, 1093. Toxicity study: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 23, 95 (1962). Review of manuf by fractionation of fusel oil and via chlorination of pentanes, and properties: Industrial Chemicals, W. L. Faith et al., Eds. (John Wiley, New York, 2nd ed., 1957) pp 107-114.
Properties: Liquid, bp 128°. d420 0.816. nD25 1.4104. Flash pt, open cup: 122°F (50°C). Slightly sol in water (3.6 g/100 g at 30°); misc with alcohol, ether. LD50 orally in rats: 4.92 ml/kg (Smyth).
Boiling point: bp 128°
Flash point: Flash pt, open cup: 122°F (50°C)
Index of refraction: nD25 1.4104
Density: d420 0.816
Toxicity data: LD50 orally in rats: 4.92 ml/kg (Smyth)
Derivative Type: (-)-Form
Properties: [a]D20 -4.75°.
Optical Rotation: [a]D20 -4.75°
Derivative Type: (+)-Form
Properties: d2020 0.826. nD20 1.411.
Index of refraction: nD20 1.411
Density: d2020 0.826
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