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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

The toxic effect of the test item L-glutamine to Daphnia magna was assessed in a semi-static limit-test. At the nominal concentration of 100 mg/L of the test item L-glutamine, no effects were observed on Daphnia magna. The 48-hour NOEC was determined to be 100 mg test item/L. The 48-hour LOEC was determined to be > 100 mg test item/L and the 48-hour EC50 value was determined to be > 100 mg test item/L. L-Glutamine did not show short-term toxicity to Daphnia magna.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
100 mg/L

Additional information

The toxic effect of the test item L-glutamine to Daphnia magna was assessed in a 48 h semi-static acute immobilisation test. At the nominal concentration of 100 mg/L of the test item L-glutamine, no effects were observed on Daphnia magna.

L-Glutamine did not show short-term toxicity to Daphnia magna in a GLP guideline test. It can be concluded that L-glutamine does not exhibit short-term toxicity to aquatic invertebrates.