Registration Dossier
Registration Dossier
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EC number: 944-482-9 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 4.2 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.42 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 4.6 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 1.2 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.12 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:
- 0.24 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential to cause toxic effects if accumulated (in higher organisms) via the food chain
Additional information
Conclusion on classification
Short-term toxicity tests for fish, daphnia and algae are available for the substance. The LC50 for fish is 5 mg/L, the EC50 value for Daphnia is 4.2 mg/L and the ErC50 for algae is 6.5 mg/L. Since all acute L(E)C50 values are > 1 mg/L, the substance does not need to be classified for acute toxicity (CLP, 2014: Table 4.1.0; a).
The only available chronic value is the ErC10 of algae being 2.4 mg/L. According to CLP Figure 4.1.1, the chronic classification has to be determined based on this chronic value according to Table 4.1.0, (b) ii and based on available acute data according to Table 4.1.0, (b) iii and the most stringent outcome should be leading:
Based on the ErC10 > 1 mg/L, the substance does not need to be classified for chronic toxicity according to Table 4.1.0, (b) ii
Based on the fact that the substance is not readily biodegradable, the BCF < 500 l/kg and the acute L(E)C50 values are within the range >1 and ≤10 mg/L, it needs to be classified in category Chronic 2 according to Table 4.1.0, (b) iii.
Overall, it can be concluded that the substance needs to be classified for environmental hazards as Chronic 2, H411 according to Regulation 1272/2008/EC (CLP, 2014).
As the L(E)C50 values are >1 but ≤ 10 mg/L, the substance additionally needs to be classified as Acute Cat. 2 (H401) according to GHS.
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