chlor·dane 
(klôrdān′) also chlor·dan (-dăn′)
(klôrdān′) also chlor·dan (-dăn′)n.
A colorless, odorless, viscous liquid, C10H6Cl8, formerly used as an insecticide. It may be toxic to humans and wildlife as a result of its effect on the nervous system.
[CHLOR(O)- + (IN)D(ENE) + -ANE.]