Registration Dossier
Registration Dossier
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EC number: 233-267-9 | CAS number: 10102-18-8
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 5.85 µg/L
- Assessment factor:
- 3
- Extrapolation method:
- sensitivity distribution
- PNEC freshwater (intermittent releases):
- 12 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 3.72 µg/L
- Assessment factor:
- 3
- Extrapolation method:
- sensitivity distribution
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 3 285 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 18 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 11.6 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:
- 0.22 mg/kg soil dw
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 2.19 mg/kg food
- Assessment factor:
- 1
Additional information
Further details of the PNEC derivation are explained in the attached document.
The molecular weight of sodium selenite is 172.94 g/mol, for selenium 78.96, a conversion factor of 2.19 has to be applied therefore for the PNECs of selenium as elemnt.
Conclusion on classification
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