This summary information comes from Fass.
Persistence. It cannot be excluded that tibolone is persistent, due to the lack of data.
Bioaccumulation. Tibolone has low potential for bioaccumulation.
Toxicity. It cannot be excluded that tibolone is toxic, due to the lack of data.
Risk. Risk of environmental impact of tibolone cannot be excluded, since no ecotoxicity data are available.
Fass environmental information for Livial (tibolone) from MSD (downloaded 2021-04-21).
Persistence: No data.
Bioaccumulation: "Log Kow = 3.93 (KOWWIN v1.67 estimate). Since log Kow < 4, tibolone has low potential for bioaccumulation."
Toxicity: No data.
Risk of environmental impact of tibolone cannot be excluded, since no ecotoxicity data are available.
Author: Health and Medical Care Administration, Region Stockholm