Registration Dossier
Registration Dossier
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EC number: 907-745-9 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.3 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.03 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 2.4 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.09 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.009 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 0.044 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 8.33 mg/kg food
- Assessment factor:
- 30
Additional information
Conclusion on classification
Based on the available information:
-Short-term toxicity to fish:
96 hour LC50 = 0.3 mg/l
-Short-term toxicity to daphnia:
48 hour EC50 = 0.4 mg/l
-Toxicity to aquatic algae:
72 hour ErC50 = 4.9 mg/l
NOEC based on the area under the growth curves = 1.6 mg/l
NOEC based on the average specific growth rate = 2.8 mg/l
and since the substance has a log Pow greater than 4 and it is not readily biodegradable, it is concluded that the substance is classified as Hazardous to the aquatic environment, Acute Category 1 and Chronic Category 1.
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