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Short-term toxicity to fish

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Description of key information

96h-LC50 of the test article is greater than 102.4 mg/L.

Key value for chemical safety assessment

LC50 for freshwater fish:
102.4 mg/L

Additional information

Two fish short-term toxicity test were conducted. Both test result indicated 96h-LC50 is more than the water solubility of the test substance (0.025 mg/L) greatly.

One fish acute toxicity test was conducted according to OECD TG 203 with GLP, one test concentration of 102.4 mg/L and two controls were applied, including three sorts of adjuvant controls. During the whole test period, no death occurred at the test concentration of 102.4 mg/L and control groups. The test was valid based on the criterion in OECD test guideline. Thus, 96h-LC50 of the test article is greater than 102.4 mg/L.

The other acute fish toxicity test was conducted according to OECD TG 203 was well in semi-static system, only one concentration of 20 mg/L and control groups were applied. And, the 96-hour LC50 of the test substance was >20 mg/L.