Synonyms: 2,4-Xylenol,6,6'-isobutylidenedi- (8CI);1,1-Bis(2-hydroxy-3,5-dimethylphenyl)-2-methylpropane;1,1-Bis(2-hydroxy-3,5-dimethylphenyl)isobutane;2,2'-Isobutylidenebis(4,6-dimethylphenol);Bis(3,5-dimethyl-2-hydroxyphenyl)isobutane;Lowinox 22B46;Lowinox 22IB46;Metaseol;Vulkanox NKF;