Registration Dossier
Registration Dossier
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EC number: 202-905-8 | CAS number: 100-97-0
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 3 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 30 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.3 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 30 mg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 100 mg/L
- Assessment factor:
- 1
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 10.2 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 1.02 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:
- 0.28 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
PNEC freshwater sediment:
K_(susp-water) = 0.85
RHO_(susp) = 1150
Conversion factor (wwt -> dwt): 4.6
PNEC_freshwater sediment
= (K_(susp-water)/ RHO_(susp)) * PNEC_water * 1000
= (0.85/1150) * 3 * 1000
= 2.22 mg/kg wwt
= 10.2 mg/kg dwt
PNEC marine water sediment:
K_(susp-water) = 0.85
RHO_(susp) = 1150
Conversion factor (wwt -> dwt): 4.6
PNEC_marine water sediment
= (K_(susp-water)/ RHO_(susp)) * PNEC_marine wate r* 1000
= (0.85/1150) * 0.3 * 1000
= 0.222 mg/kg wwt
= 1.02 mg/kg dwt
PNEC soil:
K_(soil-water) = 0.14
RHO_(soil) = 1700
Conversion factor (wwt -> dwt): 1.13
PNEC_soil
= (K_(soil-water)/ RHO_(soil)) * PNEC_water * 1000
= (0.14/1700) * 3 * 1000
= 0.247 mg/kg wwt
= 0.28 mg/kg dwt
Conclusion on classification
Acute Toxicity
Algae is the most sensitive species with a EC50 value of 3000 mg/L. The available experimental test data are reliable and suitable for classification purposes under Regulation (EC) No 1272/2008. As a result the substance is not considered to be classified under Regulation (EC) No 1272/2008.
Chronic toxicity
Algae is the most sensitive species with a EC50 value of 3000 mg/L. As no other chronic data are available, the C+L is based on the the acute algae data. The available experimental test data are reliable and suitable for classification purposes under Regulation (EC) No 1272/2008. As a result the substance has not to be classified according to Regulation (EC) No 1272/2008 (CLP/GHS).
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