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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

Acute toxicity study to Daphnia, semi-static

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
0.5 mg/L

Additional information

Concluded to be N R50/53 based on aquatic toxicity and lack of significant biodegradation.

CLP classification Aquatic Chronic 1, H410

Only limited data has been provided by ECHA, but it is apparent that the substance was poorly stable under the conditions of the study, despite using semi-static method for renewal of test media. It is known that the substance is very unstable in light and it can be assumed that the toxicity was as a result of exposure to one or more of the abiotic metabolites. This method of exposure is considered valid for risk assessment.