Registration Dossier
Registration Dossier
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EC number: 218-747-8 | CAS number: 2224-33-1
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.019 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.002 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 4.06 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 1 136.562 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 113.656 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 133.8 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 3.333 mg/kg food
- Assessment factor:
- 90
Additional information
Conclusion on classification
The results from aquatic toxicity studies are as follow:
- Short-term toxicity to fish. Key study: LC50 (96h) = 1011.11 mg/L (based on mortality) (read-across from supporting substance butanone oxime).
- Long-term toxicity to fish. Key study: LC50 (14d) > 119.94 mg/L (based on mortality) and NOEC (14d) = 59.97 mg/L (read-across from supporting substance butanone oxime).
- Short-term toxicity to aquatic invertebrates: Key study: EC50 (48h) = 241.08 mg/L (based on mobility) (read-across from supporting substance butanone oxime).
- Long-term toxicity to aquatic invertebrates: Key study: LC50 (21d) > 119.94 mg/L (based on parental mortality), EC50 (21d) > 119.94 mg/L (based on reproduction) and NOEC (21d) >= 119.94 mg/L (based on reproduction) (read-across from supporting substance butanone oxime).
- Toxicity to aquatic algae: Key study: EC50 (72h) = 19.19 mg/L and NOEC (72h) = 3.12 mg/L (based on growth rate) (read-across from analogue substance butanone oxime)
Based on the results from the aquatic toxicity tests, the substance the substance butan-2-one O,O',O''-(vinylsilanetriyl)oxime is not classified for aquatic toxicity according to CLP Regulation (EC) No. 1272/2008.
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