Registration Dossier

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

Based on the integrated testing strategy [ECHA R.7c, 2008] a stepwise approach to hazard identification on terrestrial organisms is required. Tests of toxicity on earthworm were considered as first step, due to the fact that earthworms are exposed via multiple uptake routes (soil pore water, ingestion of soil material, soil air, secondary poisoning).

An acute toxicity tests on earthworms (Eisenia fetida) has been performed. In this test no acute effects on earthworms occurred after 14 days exposure to 1000 mg/kg soil dw. This confirms the results from the aquatic tests where no hazard was identified in acute and long-term toxicity tests.

It can be expected that the pigment is essentially not bioavailable, due to the large molecular size together with the negligible low solubility (in water and octanol) and the low critical body burden. Therefore, it can be assumed with sufficient confidence, that further tests on terrestrial organisms would not provide any additional information for improving the risk assessment. Furthermore, due to the low solubility the test substance will not enter the pore water and, therefore, exposure to plants and soil microorganisms will not occur and they are not the relevant species to assess the terrestrial compartment. Hence tests on plants and terrestrial microorganisms are not required.