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EC number: 201-857-5 | CAS number: 88-75-5
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
Acutely harmful to aquatic invertebrates.
Key value for chemical safety assessment
Additional information
Data on short-term toxicity to aquatic invertebrates are available in the WHO Concise International Chemical Assessment Document 20 (CICAD) on Mononitrophenols (2000), the BUA report 75 for 2- and 4-nitrophenol (1992; update supplementary report 2003) and the ECB IUCLID (2000) for 2-nitrophenol. The EC50 after 48h in a guideline study according to DIN 38 412/11 with Daphnia magna was 17 mg/L. EC50 values of short-term toxicity tests with Daphnia magna and different guidelines after 24 h range between 25 and 210 mg/L.
Additionally, own data are available (BASF 1983 a-e). The EC50 values after 24 h for Daphnia magna range from 32.63 to 45.87 mg/L. Hence, 2-nitrophenol is regarded as acutely harmful to aquatic invertebrates.
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