Title: sec-Butyl Chloride
CAS Registry Number: 78-86-4
CAS Name: 2-Chlorobutane
Additional Names: 2-chloro-3-methylpropane
Molecular Formula: C4H9Cl
Molecular Weight: 92.57
Percent Composition: C 51.90%, H 9.80%, Cl 38.30%
Line Formula: CH3CH2CHClCH3
Literature References: Prepn from sec-butyl alcohol, hydrochloric acid and ZnCl2: Norris, Taylor, J. Am. Chem. Soc. 46, 756 (1924); Copenhaver, Whaley, Org. Synth. coll. vol. I, 143 (1941); from sec-butyl alcohol and PCl3: Coulson et al., J. Chem. Soc. 1965, 2364. Prepn of optically pure isomers: Goodwin, Hudson, J. Chem. Soc. B 1968, 1333. Toxicity data: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969).
Derivative Type: dl-Form
Properties: Liquid; pleasant, ethereal odor. d420 0.871. bp 68°. nD20 1.3960; nD25 1.3953. One gram dissolves in 1000 ml water at 25°; misc with alcohol, ether. LD50 orally in rats: 20.0 ml/kg (Smyth).
Boiling point: bp 68°
Index of refraction: nD20 1.3960; nD25 1.3953
Density: d420 0.871
Toxicity data: LD50 orally in rats: 20.0 ml/kg (Smyth)
Derivative Type: d-Form
Properties: nD20 1.3963. aD20 +30.8°.
Optical Rotation: aD20 +30.8°
Index of refraction: nD20 1.3963
Derivative Type: l-Form
Properties: nD20 1.3968. aD20 -31.0°.
Optical Rotation: aD20 -31.0°
Index of refraction: nD20 1.3968
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