Registration Dossier
Registration Dossier
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EC number: 695-748-3 | CAS number: 65286-55-7
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 18 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.18 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 1.8 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 0.18 mg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 100 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.279 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.028 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:
- 0.045 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 5.55 mg/kg food
- Assessment factor:
- 90
Additional information
Conclusion on classification
The environmental classification of the substance is currently not harmonized according to the CLP Regulation (EC) 1272/2008.
Based on available acute aquatic toxicity data, the lowest valid effect concentration for freshwater aquatic organisms is 18 mg/L (ErC50 for algae). Based on the available acute data, the substance should not be classified for acute toxicity following Annex I, table 4.1.0 (a) of the CLP regulation (there are no acute values ≤ 1 mg/L).
In the algal growth inhibition study, the NOErC for algae was 2.9 mg/L. No other long-term values are available. Following Annex I, table 4.1.0 b of the CLP Regulation, and taking into account the fact that the substance is not rapidly degradable, the substance should be classified as Aquatic Chronic 3 under the CLP Regulation.
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