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Zopiclone

Information

This summary information on persistence, bioaccumulation and toxicity comes from Fass. The risk comes from the report by Goodpoint

Persistence. It cannot be excluded that zopiclone is persistent, due to the lack of data.
Bioaccumulation. Zopiclone has low potential for bioaccumulation.
Toxicity. It cannot be excluded that zopiclone is toxic, due to the lack of data.
Risk. See the report by Goodpoint.

Detailed information

Fass environmental information

Fass environmental information for Imovane (zopiclone) from Meda (downloaded 2021-06-29).

Hazard

Persistence: No data.

Bioaccumulation: "Log Kow of 1.54 (unknown method)."

Toxicity: No data.

Risk

Risk of environmental impact of zopiclone can not be excluded since ecotoxicological data are missing.

The manufacturer has on fass.se stated that that data about the environmental impact is missing for the substance so that the environmental risk cannot be calculated. It is voluntary for manufacturers to provide information on the environmental impact on fass.se.

Report Goodpoint 2016

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.

Author: Health and Medical Care Administration, Region Stockholm