3379. 1,1-Di-p-tolylethane

Nomenclature

CAS number: 530-45-0
1,1′-Ethylidenebis[4-methylbenzene]; α,α-di-p-tolylethane; asym-di-p-tolylethane; 4,4′-α-trimethyldiphenylmethane.
C16H18; mol wt 210.31.
C 91.38%, H 8.63%.

Description and 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).

Chemical structure

Properties

Oily, highly refractive liquid. Aromatic odor. d420 0.974. Not solid at -20°. bp 295-300°; bp12 155-157°. Soluble in acetic acid.