Also Called: Creosote oil, acenaphthene fraction, acenaphthene-free [Wash Oil Redistillate](Note: The oil remaining after removal by a crystallization process of acenaphthene from acenaphthene oil from coal tar. Composed primarily of naphthalene and alkylnaphthalenes.);CREOSOTE OIL, ACENAPHTHENE FRACTION, ACENAPHTHENE-FREE;Wash Oil Redistillate;[The oil remaining after removal by a crystallization process of acenaphthene from acenaphthene oil from coal tar. Composed primarily of naphthalene and alkylnaphthalenes.]