Title: Neophyl Chloride
CAS Registry Number: 515-40-2
CAS Name: (2-Chloro-1,1-dimethylethyl)benzene
Synonyms: 1-chloro-2-methyl-2-phenylpropane; (b-chloro-
tert-butyl)benzene
Molecular Formula: C10H13Cl
Molecular Weight: 168.66
Percent Composition: C 71.21%, H 7.77%, Cl 21.02%
Literature References: Prepn (68% yield) from benzene and methallyl chloride in the presence of concd sulfuric acid: Whitmore
et al., J. Am. Chem. Soc. 65, 1469 (1943); Smith, Sellas,
Org. Synth. coll. vol. IV, 702 (1963).
Properties: Liquid. d425 1.0379. bp741 221° (dec); bp90 111°; bp30 120°; bp20 105°; bp18 104°; bp13 97°; bp10 95°; bp1.0 53°.
nD20 1.5249;
nD25 1.5228. Considerably less reactive with sodium than neopentyl chloride. Forms a Grignard reagent readily and in good yield. Salt effect in acetolysis: Fainberg, Winstein,
J. Am. Chem. Soc. 78, 2763 (1956).
Boiling point: bp741 221° (dec); bp90 111°; bp30 120°; bp20 105°; bp18 104°; bp13 97°; bp10 95°; bp1.0 53°
Index of refraction: nD20 1.5249;
nD25 1.5228
Density: d425 1.0379