3380. 1,2-Di-p-tolylethane

Nomenclature

CAS number: 538-39-6
1,1′-(1,2-Ethanediyl)bis[4-methylbenzene]; α,β-di-p-tolylethane; sym-di-p-tolylethane; 4,4′-dimethyldibenzyl.
C16H18; mol wt 210.31.
C 91.38%, H 8.63%.

Description and references

Prepd by passing p-xylene vapor over red hot platinum wires: Meyer, Hofmann, Monatsh. Chem. 37, 690 (1916).

Chemical structure

Properties

Leaflets from methanol; plates from ligroin. mp 82°; bp730 296-298°; bp18 178°. Sol in benzene, moderately sol in alcohol, petr ether.