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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Link to relevant study record(s)

Description of key information

The lowest 48-h EC50 is 110 mg/l in Daphnia magna. For marine invertebrates the 96-h EC50 is 37 mg/l in Americamysis bahia (tested as Mysidopsis bahia).

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
110 mg/L

Marine water invertebrates

Marine water invertebrates
Effect concentration:
37 mg/L

Additional information

Two studies are available for freshwater invertebrates; one study is a GLP compliant OECD guideline study with Daphnia magna (SafePharm Laboratories, 2003a) The 48-h EC50 value from this study is 110 mg/l and is more critical than the other study which is also an OECD guideline study, but which has minor deviations (Slovnaft VÚRUP, a.s.a, 2005c). Furthermore, a study with the marine species Americamysis bahia (tested as Mysidopsis bahia) is available, the 96-h EC50 is 37 mg/l (T.R. Wilbury Laboratories, Inc., 1994). These values are used in the assessment.