CAS:1889-67-4 ib Molecular Formula:C18H22 Molecular Luj:238.37 Nws EINECS:217-568-2 : kuv Synonyms:1,1'- [1,1,2,2-Tetramethyl-1,2-ethandiyl]bis[benzene]; 1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-benzen; 1,2-Diphenyltetramethylethane; 2,3-Diphenyl-2,3-dimethylbutane; alpha, alpha'-Dicumyl; Bibenzyl, alpha, alpha, alpha', alpha'-tetramethyl-