Registration Dossier
Registration Dossier
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EC number: 239-269-6 | CAS number: 15217-42-2
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.019 mg/L
- Assessment factor:
- 50
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.158 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.019 mg/L
- Assessment factor:
- 50
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 39.4 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.004 mg/kg sediment dw
- Assessment factor:
- 10
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.004 mg/kg sediment dw
- Assessment factor:
- 10
- 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:
- 0.2 mg/kg soil dw
- Assessment factor:
- 10
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Based on all available data 1H-Benzotriazole, Tolyltriazole as well as their conjugated sodium salts are considered as not readily biodegradable. In addition, short-term ecotoxicity studies have shown a low toxicity on all trophic levels while moderate toxicity has been observed in the long-term studies with D. galeata and Desmodesmus subspicatus. Thus, all four substances have been classified to be hazardous to the aquatic environment category Chronic 2.
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