1,3-Dioxane, 2,5,5-trimethyl-2-propyl- 2,5,5-Trimethyl-2-propyl-1,3-dioxane 2-Propyl-2,5,5-trimethyl-1,3-dioxane 5421-99-8 EINECS 226-544-0 Methylpropyl ketone, 2,2-dimethyl-1,3-propanediol ketal NSC 6564 m-Dioxane, 2,5,5-trimethyl-2-propyl- (8CI)