Title: 1-Chloro-2-butene
CAS Registry Number: 591-97-9
Additional Names: a-Chloro-b-butylene; crotyl chloride; g-methallyl chloride; g-methylallyl chloride
Molecular Formula: C4H7Cl
Molecular Weight: 90.55
Percent Composition: C 53.06%, H 7.79%, Cl 39.15%
Line Formula: CH3CH=CHCH2Cl
Literature References: Prepn of cis- and trans-isomers: Hatch, Nesbitt, J. Am. Chem. Soc. 72, 727 (1950). Manuf: Carlson, US 2494034 (1950 to Shell); Montagna, Hess, US 3055954 (1962 to Union Carbide). Equilibrium constant for isomerization of 3-chloro-1-butene to 1-chloro-2-butene: Dittmer, Marcantonio, J. Org. Chem. 29, 3473 (1964).
Derivative Type: trans-Isomer
Properties: Liquid, bp752 84.8°. nD20 1.4350, nD25 1.4327. d420 0.9295.
Boiling point: bp752 84.8°
Index of refraction: nD20 1.4350; nD25 1.4327
Density: d420 0.9295
Derivative Type: cis-Isomer
Properties: Liquid, bp758 84.1°. nD20 1.4390. d420 0.9426.
Boiling point: bp758 84.1°
Index of refraction: nD20 1.4390
Density: d420 0.9426
CAUTION: Irritates eyes, respiratory passages. |