Registration Dossier
Registration Dossier
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EC number: 807-534-0 | CAS number: 1228284-89-6
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.001 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.01 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 10 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 3.95 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.395 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:
- 0.79 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Additional information
Aquatic toxicity
The following values have been obtained through GLP compliant studies conducted in accordance with recent guidelines. The studies were conclusive and the results are valid.
Short-term toxicity to fish: LC50(96h) = 0.96 mg/L, Tobler 2015
Short-term toxicity to aquatic invertebrates: EC50(48h) = 2.0 mg/L, Eckenstein 2015
Toxicity to aquatic algae and cyanobacteria: EC50(72h) = 1.7 mg/L, Tobler 2015
Toxicity to activated sludge: EC50(3h) > 1000 mg/L, Eisner 2015
The most conservative value LC50(96h) = 0.96 mg/L (fish) is carried forward for the purpose of risk assessment, classification and labelling.
Conclusion on classification
Acute aquatic toxicity
The lowest available effect level, LC50(96h) = 0.96 mg/L for Oncorhynchus mykiss (fish), triggers classification as Hazardous to the aquatic environment Category Acute 1 according to CLP Regulation (EC) No 1272/2008, Table 4.1.0.
Chronic aquatic toxicity
Adequate chronic toxicity data are not available. However,the lowest available effect level LC50(96h) = 0.96 mg/L for Oncorhynchus mykiss (fish),triggers classification as a Hazardous to the aquatic environment Category Chronic 1, because the substance is not rapidly biodegradable (and logkow = 4.5) according to CLP Regulation (EC) No 1272/2008, Table 4.1.0(iii).
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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