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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

Two studies have been done following EU Test method C.2 and a third one is available done according to OECD Guideline 202

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
0.7 mg/L

Additional information

The details on the performance of the tests are not well detailed but the low solubility of the substance difficults the performance of the tests.

The results available are:

1) EU Method C2, EC50 (48h) > 0.1 mg/L

2) EU Method C2, EC50 (24h) >=0.7 mg/L (testing at nominal concentration of 1000 mg/L, supersaturation of the media)

3) OECD 202, EC (48h) > 0.2 mg/L and NOEC 0.2 mg/L (testing at nominal concentrations 100, 500 and 1000 mg/L shows any inherent toxicity)

In the three studies the EC50 and NOEC are at levels up to the limit of water solubility.

When working under supersaturation conditions no acute toxic effects have been observed.