Registration Dossier
Registration Dossier
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EC number: 605-140-1 | CAS number: 158237-07-1
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 6.04 ng/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 60.4 ng/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.604 ng/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 6.04 ng/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1 000 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.001 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0 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:
- 0 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Classification relevant information:
Biodegradation: not readily biodegradable (0% after 28 d)
Bioaccumulation: log Pow: 3.6 at 20 °C
BCF (whole fish, wet weight) = 71, BCF (whole fish, normalized to 6% lipid content) = 54
Short-term toxicity:
- Fish: LC50 (96 h) = 1300 µg/L (nominal, Plecoglossus altivelis)
- Aquatic invertebrates: EC50 (48 h) = 100 µg/L (nominal, Daphnia magna)
- Algae: ErC50 (72 h) = 6.04 µg/L (initial measured, Pseudokirchneriella subcapitata)
Long-term toxicity:
- Fish: no data available
- Aquatic invertebrates: no data available
- Algae: NOErC (72 h) = 0.49 µg/L (initial measured, Pseudokirchneriella subcapitata)
Classification according to CLP
The substance is not readily biodegradable (0% biodegradation after 28 d). Acute toxicity data are available for three trophic levels i.e. fish, algae and aquatic invertebrates. Algae were found to be the most sensitive trophic level with an ErC50 (72 h) of 6.04 µg/L (initial measured). Chronic data are available for algae revealing a NOErC (72 h) of 0.49 µg/L. Therefore, the substance needs to be classified as Aquatic Chronic 1 (H410) and Aquatic Acute 1 (H400) with an M-factor of 100 for both chronic and acute according to the consolidated version of Regulation (EC) No 1272/2008 and further amendments (ATPs).
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