Crotyl Alcohol
Title: Crotyl Alcohol
CAS Registry Number: 6117-91-5
CAS Name: 2-Buten-1-ol
Additional Names: crotonyl alcohol
Molecular Formula: C4H8O
Molecular Weight: 72.11
Percent Composition: C 66.62%, H 11.18%, O 22.19%
Line Formula: CH3CH=CHCH2OH
Literature References: Prepn by reduction of crotonaldehyde: Nystrom, Brown, J. Am. Chem. Soc. 69, 1197 (1947); Olivier, Young, ibid. 81, 5811 (1959); Smith, Holm, US 2761883; Finch, Furman, US 2763696 (both 1956 to Shell); Foreman, US 3109865 (1963 to Standard Oil Co., Ohio). Prepn of cis- and trans-forms: Hatch, Nesbitt, J. Am. Chem. Soc. 72, 727 (1950); Hiskey et al., J. Org. Chem. 21, 429 (1956); of cis-form only: Clarke, Crombie, Chem. Ind. (London) 1957, 143. Toxicity study: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 23, 95 (1962).
Properties: Liquid, bp 122°. d420 0.8532. nD20 1.4285. Sol in 6 parts water; misc with alc. LD50 orally in rats: 0.93 ml/kg (Smyth).
Boiling point: bp 122°
Index of refraction: nD20 1.4285
Density: d420 0.8532
Toxicity data: LD50 orally in rats: 0.93 ml/kg (Smyth)
 
Derivative Type: cis-Form
Properties: Liquid, bp 123.6°. mp -90.15°. d420 0.8662. nD20 1.4342.
Melting point: mp -90.15°
Boiling point: bp 123.6°
Index of refraction: nD20 1.4342
Density: d420 0.8662
 
Derivative Type: trans-Form
Properties: Liquid, bp 121.2°. d425 0.8454. nD20 1.4289, nD25 1.4270.
Boiling point: bp 121.2°
Index of refraction: nD20 1.4289; nD25 1.4270
Density: d425 0.8454

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