Structural Formula Vector Image
Title: 3-Methyl-2-butanol
CAS Registry Number: 598-75-4
Additional Names: dl-sec-Isoamyl alcohol; sec-isopentyl alcohol; isopropyl methyl carbinol
Molecular Formula: C5H12O
Molecular Weight: 88.15
Percent Composition: C 68.13%, H 13.72%, O 18.15%
Line Formula: (CH3)2CHCH(OH)CH3
Literature References: Prepn: Brown, Subba Rao, J. Am. Chem. Soc. 81, 6423 (1959); Cook, J. Org. Chem. 27, 3873 (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 113-114°. bp742 109.5-110.5°. d19 0.819. nD20 1.4091. Flash pt, closed cup: 103°F (39°C); open cup: 95°F (35°C). Slightly sol in water (2.8 g/100 g at 30°); miscible with alcohol, ether.
Boiling point: bp 113-114°; bp742 109.5-110.5°
Flash point: Flash pt, closed cup: 103°F (39°C); open cup: 95°F (35°C)
Index of refraction: nD20 1.4091
Density: d19 0.819
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, nose and throat; headache, dizziness; cough, dyspnea, nausea, vomiting and diarrhea; skin cracking. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 176.

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