Synonyms: Peroxide,(1-methylpropylidene)bis[(1,1-dimethylethyl) (9CI); Peroxide,sec-butylidenebis[tert-butyl (6CI,7CI,8CI); 2,2-Bis(tert-butyldioxy)butane;2,2-Bis(tert-butylperoxy)butane; 2,2-Di(tert-butylperoxy)butane;3,4,6,7-Tetraoxanonane, 5-ethyl-2,2,5,8,8-pentamethyl-; Chaloxyd P 1200AL;Chaloxyd P 1293AL; DB 50; Lupersol 220; NSC 5626; Perhexa 22; Perhexa 22-50S;Trigonox D; Trigonox D-C 50; Trigonox D-E 50; Trigonox DB 50; Trigonox DM 50;VP 1200; sec-Butylidenebis[tert-butyl peroxide]