Fass environmental information for Imovane (zopiclone) (downloaded 2018-06-15).
Persistence: No data.
Bioaccumulation: "log Kow of 1.54 (unknown method)."
Toxicity: No data.
Risk of environmental impact of zopiclone can not be excluded since ecotoxicological data are missing.
Environmental data for zopiclone is lacking, but no existing data indicates a high risk of environmental impact in Swedish water systems. The substance has low potential for bioaccumulation. Reference Goodpoint. Prioritering av läkemedel med miljörisk inom SLL. Stockholm: Goodpoint; 2016. Rapport LS 2016–0634.
Author: The Pharmaceutical unit of Region Stockholm