| Title:  1,1-Di-p-tolylethane CAS Registry Number:  530-45-0 CAS Name:  1,1¢-Ethylidenebis[4-methylbenzene] Additional Names:  a,a-di-p-tolylethane;  asym-di-p-tolylethane;  4,4¢-a-trimethyldiphenylmethane Molecular Formula:  C16H18 Molecular Weight:  210.31 Percent Composition:  C 91.38%, H 8.63% Literature References:  Prepd by passing acetylene into a mixture of toluene and concd H2SO4 in presence of mercuric sulfate:  Reichert, Nieuwland, Org. Synth. IV, 23 (1925). Properties:  Oily, highly refractive liquid.  Aromatic odor.  d420 0.974.  Not solid at -20°.  bp 295-300°; bp12 155-157°.  Soluble in acetic acid. Boiling point:  bp 295-300°; bp12 155-157° Density:  d420 0.974  |