Registration Dossier
Registration Dossier
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EC number: 217-614-1 | CAS number: 1908-87-8
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.049 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.494 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.005 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 30.7 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.79 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.079 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:
- 0.13 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 based on biodegradation, bioaccumulation and acute aquatic data
Biodegradation: 4% within 28 d (OECD 301F)
LogKow: 0.59 (OECD 107)
Aquatic acute toxicity
For fish: LC50(96 h) > 100 mg/L, (OECD 203, zebra fish)
For aquatic invertebrates: EC50(48h) = 49.4 mg/L (OECD 202, Daphnia Magna)
For algae: ErC50(72 h) > 100 mg/L, (OECD 201, Desmodesmus subspicatus)
Based on the data above, the substance is considered to be not rapidly degradable and indicates a low potential for bioaccumulation.
Classification and labelling according to Regulation (EC) No.1272/2008 (CLP):
The criteria for classification of a substance in category Acute 1 are defined on the basis of acute aquatic toxicity data only (EC50 or LC50); classification is required for values ≤ 1 mg/L. Therefore, the substance does not need to be classified for acute (short-term) aquatic hazard.
No chronic data are available and hence, the result from the short-term tests have to be assessed according to the respective criteria for chronic aquatic hazard in combination with the biodegradation and bioaccumulatoin (log Pow as for this tonnage band BCF is not available) data. In the absence of chronic data the chronic classification for Category 3 is based on acute aquatic toxicity data > 10 to ≤ 100 mg/L for daphnia (49.4 mg/L) and the fact that the substance is not rapidly degradable although the substance indicate a low potential of bioaccumulation.
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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