Dieldrin

IUPAC Name: (1R,2S,3S,6R,7R,8S,9S,11R)-3,4,5,6,13,13-hexachloro-10-oxapentacyclo[6.3.1.1^3,6.0^2,7.0^9,11]tridec-4-ene

Source: Formerly used as an insecticide. Also occurs in the environment as a transformation product of aldrin.

Summary: Dieldrin is an organochlorine compound formerly used as an insecticide. It has been banned since 1987 by the EPA for uses as a pesticide. It may form naturally in the environment as a transformation product of Aldrin. The compound is soluble in water up to 0.195 mg/L at 25 C and has a density of 1.75 g/mL. Decomposition produces hydrogen chloride gas. Biological half-lives in fish have been measured at 44.16 days. Koc values ranging from 1,957 – 23,310 indicate low to zero mobility within soil. Volatilization and photolysis are expected to be major methods of degradation in soil and water. Bioaccumulation is expected to be high.

GHS Hazard Statement: H300, H301, H310, H330, H351