Registration Dossier
Registration Dossier
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EC number: 800-430-6 | CAS number: 1419212-76-2
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 4 µg/L
- Assessment factor:
- 50
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 2 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.4 µg/L
- Assessment factor:
- 500
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 5 mg/L
- Assessment factor:
- 20
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 400 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 40 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:
- 80 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 222 mg/kg food
Additional information
The water solubility limit has been selected as starting point for the risk assessment. The assessment factors are based on the presence of short-term tests on three trophic levels and the availability of long-term studies in daphnia and algae. For PNECs for soil and sediment the equilibrium partitioning method has been used with K- values based on the logKoc of 6.0 (maximum value in EUSES). The PNEC for secondary poisoning is based on the NOAEL from the 90-day oral toxicity study with a factor of 90 to extrapolate from a sub chronic to chronic exposure.
Conclusion on classification
In none of the acute aquatic toxicity tests performed on fish, daphnia and algae, an LC50 or EC50 could be achieved within limits of solubility. In the daphnia reproduction the NOELR is 100 mg/L. In presence of adequate data on chronic toxicity and based on the fact that the substance is inherently biodegradable, no classification of the substance for acute and/or chronic aquatic toxicity according to CLP (Regulation EC No 1272/2008) is considered.
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