Title: sec-Butylbenzene
CAS Registry Number: 135-98-8
CAS Name: (1-Methylpropyl)benzene
Additional Names: 2-phenylbutane
Molecular Formula: C10H14
Molecular Weight: 134.22
Percent Composition: C 89.49%, H 10.51%
Line Formula: C6H5CH(CH3)CH2CH3
Literature References: Prepd from benzene and n-butyl chloride in presence of AlCl3: Schramm, Monatsh. Chem. 9, 621 (1888); by the action of sodium on g-chloro-sec-butylbenzene: Braun et al., Ber. 46, 1277 (1913); with other products by heating n- or sec-butyl alcohol with 80% H2SO4: Meyer, Bernhauer, Monatsh. Chem. 53, 727 (1929).
Properties: Liquid, mp -82.7°. d420 0.8608. bp760 173.5°; bp400 150.3°; bp200 128.8°; bp100 109.5°; bp60 96.0°; bp40 86.2°; bp20 70.6°; bp10 57.0°; bp5 44.2°; bp1.0 18.6°. nD20 1.48980. Flash pt, closed cup: 126°F (52°C). Insol in water. Misc with alcohol, ether, benzene.
Melting point: mp -82.7°
Boiling point: bp760 173.5°; bp400 150.3°; bp200 128.8°; bp100 109.5°; bp60 96.0°; bp40 86.2°; bp20 70.6°; bp10 57.0°; bp5 44.2°; bp1.0 18.6°
Flash point: Flash pt, closed cup: 126°F (52°C)
Index of refraction: nD20 1.48980
Density: d420 0.8608
Derivative Type: d-Form
Properties: [a]D25 +26.6°: Bonner, Greenlee, J. Am. Chem. Soc. 81, 3336 (1959).
Optical Rotation: [a]D25 +26.6°: Bonner, Greenlee, J. Am. Chem. Soc. 81, 3336 (1959)
Derivative Type: l-Form
Properties: [a]D25 -27.3°.
Optical Rotation: [a]D25 -27.3°
Use: Solvent; in organic syntheses. |