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Diss Factsheets

Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

There is a high probability that the product is not chronically harmful to aquatic invertebrates. The NOEC and LOEC was determined to be above 10 mg/L.

Key value for chemical safety assessment

Additional information

A semi-static GLP-guideline study according to OECD 211 has been conducted (2014). The test substance is an UVCB subtance. Additionally, due to the low water solubility water accomodated fractions (WAF) have been prepared according to guidance provided in OECD 23. Each test solution was prepared separately (differential loading) by directly adding test substance to test medium. As an additional water quality parameter, the content of total dissolved organic carbon was determined in the control and highest test concentration.

After 22 d significant effects on immobile young were observed at 10 mg/L; however there was no effect on reproduction (living young per adult) in this test group so the slight increase of immobile young is not considered a population relevant effect. Therefore NOEC and LOEC were determined ≥ 10 mg/L loading rate.

Total organic carbon analysis qualitatively demonstrated the presence of dissolved organic carbon originating from the test substance at the highest test concentration.