Registration Dossier
Registration Dossier
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EC number: 248-227-6 | CAS number: 27107-89-7
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.004 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Sediment (marine water)
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
PNECaqua (freshwater), PNECaqua (marine water) were derived based on the NOEC of 36 µg/L from de Roode & de Haan (2004). The PNECaqua (intermittent release) has been determined based on the EC50 of 39 µg/L from Bouwman (2010b). The standard assessment factors given in the European Chemicals Agency guidance document (R.10: Characterisation of dose [concentration]-response for environment) have been used to predict the PNEC values.
PNECstp has been derived based upon the Baumann, 1992, study which provided a EC50 result of >100 mg/l. As it is not possible to derive a PNEC value from a greater than value, expert judgement has been applied and an EC50 value of 100mg/l is therefore considered the worst case for toxicity to microorganisms. The standard assessment factors given in the European Chemicals Agency guidance document (R.10: Characterisation of dose [concentration]-response for environment) have been used to predict the PNEC values.
PNECsediment and PNECsoil values cannot be derived at the current time due to a lack of physical chemical information (Koc, solubility and vapour pressure).
PNEC oral is not derived as the substance has been demonstrated to be non bioaccumulative.
Conclusion on classification
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