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Long-term toxicity to aquatic invertebrates

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Key value for chemical safety assessment

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In accordance with the GHS criteria for classification of substances for acute aquatic toxicity, Acute aquatic toxicity values should be as follows: 96-hr LC50 (for fish) ≤ 1 mg/l and/or 48 hr EC50 (for crustacea) ≤ 1 mg/l and/or 72 or 96 hr ErC50 (for algae or other aquatic plants) ≤ 1 mg/l.

 

Classification for chronic aquatic toxicity will be relevant for not rapidly degradable substances with BCF ≥ 500 (or log Kow ≥ 4), or for substances with BCF ≥ 500 (or log Kow ≥ 4), and with chronic toxicity values (NOEC) ≤ 1 mg/l.

 

Based on the chronic aquatic toxicity data summarised here, ethylbenzene is not classified for chronic aquatic toxicity to invertebrates.