1,1-Di-3,4-xylylethane 1742-14-9 Benzene, 1,1'-ethylidenebis 3,4-dimethyl- Benzene, 1,1'-ethylidenebis(3,4-dimethyl- EINECS 217-108-0 Ethane, 1,1-di-3,4-xylyl- alpha-(3,4-Dimethylphenyl)-alpha-methyl-3,4-dimethyltoluene