1-Pentanol
Title: 1-Pentanol
CAS Registry Number: 71-41-0
Additional Names: Pentyl alcohol; n-amyl alcohol; n-butyl carbinol
Molecular Formula: C5H12O
Molecular Weight: 88.15
Percent Composition: C 68.13%, H 13.72%, O 18.15%
Line Formula: CH3(CH2)4OH
Literature References: Prepn from 1-pentene: Brown, Rao, J. Am. Chem. Soc. 81, 6434 (1959); Brown, US 2925437 (1960). Toxicity study: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964). 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, mild characteristic odor. bp 137.5°. mp -79°. d420 0.8146; d425 0.8110. nD20 1.4103: Mumford, Phillips, J. Chem. Soc. 1950, 75. Flash pt, closed cup: 100°F (38°C). Slightly sol in water (2.7 g/100 ml at 22°); misc with alc, ether. LD50 orally in rats: 3030 mg/kg (Jenner).
Melting point: mp -79°
Boiling point: bp 137.5°
Flash point: Flash pt, closed cup: 100°F (38°C)
Index of refraction: nD20 1.4103: Mumford, Phillips, J. Chem. Soc. 1950, 75
Density: d420 0.8146; d425 0.8110
Toxicity data: LD50 orally in rats: 3030 mg/kg (Jenner)
CAUTION: Irritating to eyes, respiratory passages. Narcotic: E. Browning, Toxicity and Metabolism of Industrial Solvents (Elsevier, New York, 1965) pp 356-367.
Use: In organic syntheses; as solvent.

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