Title: sec-Butyl Bromide
CAS Registry Number: 78-76-2
CAS Name: 2-Bromobutane
Additional Names: methylethylbromomethane
Molecular Formula: C4H9Br
Molecular Weight: 137.02
Percent Composition: C 35.06%, H 6.62%, Br 58.32%
Line Formula: CH3CH2CHBrCH3
Literature References: Prepn: Levene, Marker, J. Biol. Chem. 91, 405 (1931); Kenyon et al., J. Chem. Soc. 1935, 1080; Skau, McCullough, J. Am. Chem. Soc. 57, 2440 (1935); Colson et al., J. Chem. Soc. 1965, 2364. Prepn of optically pure isomers: Goodwin, Hudson, J. Chem. Soc. B 1968, 1333.
Derivative Type: dl-Form
Properties: Colorless liquid, pleasant odor. d425 1.2530. bp 91.2°. mp -112°. nD25 1.4344. Insol in water. Freely sol in alcohol, ether.
Melting point: mp -112°
Boiling point: bp 91.2°
Index of refraction: nD25 1.4344
Density: d425 1.2530
Derivative Type: d-Form
Properties: nD20 1.4359-1.4362. aD20 +42.64°.
Optical Rotation: aD20 +42.64°
Index of refraction: nD20 1.4359-1.4362
Derivative Type: l-Form
Properties: nD20 1.4368. aD20 -43.7°.
Optical Rotation: aD20 -43.7°
Index of refraction: nD20 1.4368
CAUTION: Narcotic in high concns. |