Registration Dossier

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

Stability

Abiotic degradation by hydrolysis is not expected to take place based on the structure of the substance.

Biodegradation

The test substance is considered to be biodegradable but failing the 10-day window. Based on the screening criteria given in ECHA Guidance, Chapter R.11, for PBT and vPvB assessment, the substance does not fulfil the P- or vP-criterion.

Bioaccumulation

BCF values in the range of 560 to 1350 L/kg were measured for 2-ethylanthraquinone. During the depuration phase, the test substance concentration in the fishes quickly decreased. The substance does not fulfil the bioaccumulation trigger value of BCF > 2000 L/kg as given in ECHA Guidance, Chapter R.11, and does not fulfil the B- or vB-criterion.

Transport and distribution

Based on the adsorption coefficient Koc of 4070, the substance is considered to be slightly mobile in soil and sediment according to the criteria set up by McCall (1981).

McCall P.J., Laskowski D.A., Swann R.L., and Dishburger H.J., (1981), “Measurement of sorption coefficients of organic chemicals and their use, in environmental fate analysis”, in Test Protocols for Environmental Fate and Movement of Toxicants. Proceedings of AOAC Symposium, AOAC, Washington DC.