Registration Dossier
Registration Dossier
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EC number: 262-110-7 | CAS number: 60223-95-2
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 8.7 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 87 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.87 µg/L
- Assessment factor:
- 100 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 3.5 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 36 µg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 3.6 µg/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:
- 2.1 µg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Studies on three trophic levels are available for the substance or its analogue. Toxicity of the analogue is very low at the maximum attainable concentration in the fish and algae tests. As the substance is more soluble than the analogue, a direct read-across to the results of the tests with the analogue seems not appropriate. Therefore the result of the daphnia study with the substance will be used as starting point for risk assessment with an additional safety factor of 10.
A similar approach is chosen for the toxicity towards micro-organisms where the analogue test gave a NOEC of 100 mg/L
Conclusion on classification
Based on the EC50 of 87 mg/L and the fact that the substance is not rapidly biodegradable, the conditions as indicated in the CLP regulation for classification as H412 (aquatic chronic category 3) are met. The substance is classified as H412.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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