Registration Dossier
Registration Dossier
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EC number: 948-068-9 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.96 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 2.75 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.79 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 580 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 3.6 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 2.9 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:
- 0.63 mg/kg soil dw
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 0.38 g/kg food
- Assessment factor:
- 90
Additional information
Formula for the calculation of PNECsed using the equilibrium partitioning approach for sediment (as shown in the REACH guidance, chapter R16):
PNEC(sed) = (Ksed-water x PNEC(aqua) / RHOsed) * 1000
PNEC(sed) Predicted No Effect Concentration in sediment [mg/kg]: as shown above.
Kp-sed [l/kg]: 0.231.
Ksusp-water partition coefficient freshwater sediment / water [m3/m3]: 0.958.
RHOsed bulk density of freshwater sediment matter [kg/m3]: 1150.
PNECaqua Predicted No Effect Concentration in water [mg/kg]: as shown above.
PNEC marine predicted to be 0.658mg/kg based on same method and the PNEC(marine) shown above.
The PNEC oral is derived using the critical oral mammalian NOAEL (in mg/kg bw ) as a starting point. This is then converted to a NOEC (in mg/kg food) using the conversion factors in table R10-12 of the guidance from which the PNEC is derived by using the appropriate assessment factor in table R10 -13.
Conclusion on classification
The acute toxicity of ethanol to aquatic species is >100mg/l for all trophic levels. This coupled with its ready biodegradability mean that it does not meet the criteria for classification.
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