Registration Dossier
Registration Dossier
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EC number: 406-850-2 | CAS number: 133855-98-8 BAS 480 F
Endpoint summary
Administrative data
Description of key information
Additional information
Acute toxicity to fish
The substance is acutely toxic to fish based on a 96 -h LC50 being 3.2 mg/L (as a worst-case consideration, nominal, analytically verifired, O. mykiss).
Chronic toxicity to fish
The 5 months NOEAEC was determined to be 0.01 mg/L (nominal, analytically verified, BASF AG, 2003).
The 90 -d NOEC was determined to be 0.01 mg/L (nominal, analytically verified, BASF AG, 2004)
Acute toxicity to aquatic invertebrates
The substance is acutely toxic to aquatic invertebrates based on a 48 -h EC50 of 8.9 mg/L (Daphnia magna, BASF AG, 1990; report no. 1/0691/2/89 -189061)
Chronic toxicity to aquatic invertebrates
The 21-d NOEC on reproduction was determined at 0.63 mg/L.
The 21 -d EC10 was 0.63 mg/L (95% CL: 0.5786 – 0.69 mg/L; nominal, recalculated, BASF SE, 2019). The 21 -d EC20 was determined to be 0.69 mg/L (95% CL: 0.63 – 0.76 mg/L; nominal, recalculated, BASF SE, 2019).
Toxicity to algae and cyanobacteria
The substance is acutely harmful to algae and cyanobacteria based on a 72 -h ErC50 > 10.7 mg/L (geo-mean measured).
The corresponding 72-h ErC10 was determined to be 6.9 µg/L (geo-mean measured, Hermes H., rep. no.: 1993/10149, 2018).
Toxicity to aquatic plants
The substance is acutely very toxic to aquatic plants based on the 7-d ErC10 of 1.9 µg/L and the 7-d ErC50 of 13.8 µg/L (initially measured, based on frond number, BASF AG, rep. no.: 2006/1031717, 2006)
Toxicity to microorganisms
The inhibition of the degradation activity of activated sludge is not anticipated when the substance is introduced in appropriately low concentrations. The 30-min EC20 was determined to be > 1014 mg/L (domestic activated sludge, nominal, BASF AG, 1993).
Overall, epoxiconazole is considered to be acutely very toxic to aquatic organisms.
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