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Diss Factsheets

Ecotoxicological information

Toxicity to terrestrial arthropods

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Administrative data

Link to relevant study record(s)

Description of key information

A chronic earthworm study and an nitrogen transformation test was performed according to OECD 222 and OECD 216 respectively for the structurally similar substance DMDC (CAS 6864-37-5):
- Chronic earthworm test (OECD 222): 56-d EC10 for effects on reproduction: 228 mg/kg soil dw (95% CL: 115.6 / 450.8) (BASF, 2013; report No. 68E0695/00G009).
- Nitrogen tranformation test (OECD 216): 28-d EC10 > 1000 mg/kg soil dw (BASF SE, 2013; project no. 37G0695/00X032)

Key value for chemical safety assessment

Additional information

Since invertebrates were the most sensitive group as indicated from aquatic toxicity data, a chronic earthworm study was performed with the read-across substance 6864-37-5 to cover this endpoint in accordance with REACh guidance for compounds in soil hazard category 3 (Table R.7.11 -2). In addition the toxicity to soil microorganisms was tested in a nitrogen transformation test according to OECD 216 with 6864-37-5.