Registration Dossier
Registration Dossier
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EC number: 204-137-9 | CAS number: 116-37-0
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.018 mg/L
- Assessment factor:
- 50
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 23 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.002 mg/L
- Assessment factor:
- 500
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 10 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 4.97 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.497 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:
- 0.983 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
In the acute ecotoxicity tests on fish, daphnids and algae, the following LC50/EC50 values were found:
48 -hr EC50 daphnia: 2.3 mg/L
72 -hr ErC50 algae: 28 mg/L
96 -hr LC50 fish: 8.8 mg/L.
and the following values were found for chronic data:
72 -hr EC10 algae: 5.1 mg/L
21d EC10 daphnia: 0.89 mg/L
The substance is "readily biodegradable failing 10 days windows criteria", it is ultimately biodegradable.
The substance has a log Powof 3 .3 -3.6 < 4.5 therefore the Bioaccumulation potential is considered to be low.
Therefore, the substance do not fulfils the PBT or vPvB criteria.
Conclusion on classification
Based on the results of the ecotoxicity tests, the substance should be classified as follows:
- according to CLP Regulation (EC) 1272/2008: Aquatic Chronic 2; H411
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