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Diss Factsheets

Ecotoxicological information

Toxicity to soil macroorganisms except arthropods

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Administrative data

Link to relevant study record(s)

Description of key information

With high probability not harmful to soil macroorganisms.

Key value for chemical safety assessment

Additional information

Short-term toxicity to soil macroorganisms except arthropods

The toxicity of ethylene urea to soil macroorganisms was investigated in a study according to OECD 207 with the earthworm Eisenia fetida (BASF, 1000881, 2001). Ethylene urea caused no mortality on earthworm even in the highest test concentration of 886 mg/kg soil dry weight.

Long-term toxicity to soil macroorganisms except arthropods

Data waiving according to EC 1907/2006 Annex XI (1): The substance has a low potential for adsorption to soil particles (log Koc of 0.68), has no bioaccumulative properties (log Kow of -0.74) and is readily biodegradable. Therefore, binding to sewage sludge is unlikely and as a consequence a transfer to the soil compartment is not expected. Additionally, the lack of any toxic effects on aquatic organisms on all three trophic levels indicate a low hazardous potential of the test substance towards soil organisms. Additionally, data on earthworm acute toxicity are provided and indicate no effects up to the highest test concentration. Ethylene urea caused no short-term or long-term effects (< +/- 25% deviation from the control value) on the nitrogen and the carbon transformation. Therefore, no hazard on terrestrial organisms is expected and no further data are provided.