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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

L-valine did not cause immobility (mortality) in a test according to OECD 202 up to the maximum test concentration of 10 g/l. EC100 (mobilty) was > 10 g/l. NOEC (mobility) was estimated to be < 10 g/l and NOEC (condition) was estimated to be 3.2 g/l.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
10 g/L
EC50/LC50 for marine water invertebrates:
10 g/L

Additional information

A limit test according to OECD 202 did not show any adverse effects to Daphnia magna at a test concentration of 1 g/L. A subsequent test according to OECD 202 with higher test concentrations showed that L-valine did not cause immobility (mortality) up to the maximum test concentration of 10 g/L.

NOEC (mobility) was estimated to be < 10 g/l and NOEC (condition) was estimated to be 3.2 g/l. EC50 was determined to be > 10 g/l.