Registration Dossier
Registration Dossier
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EC number: 213-361-6 | CAS number: 939-48-0
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.023 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.23 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.002 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 8.2 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 1.3 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.13 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:
- 0.15 mg/kg soil dw
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
In the absence of aquatic chronic toxicity information, the classification was based on the lowest acute aquatic toxicity value from three trophic levels (i.e.,the LC50 in fish of 23 mg/L based on read-across from methyl benzoate, a member of a chemical category established for the substance), the ErC50of 25 mg/L mg/L in algae and the EC50 in daphnids of 49 mg/L. The substance was shown to be readily biodegradable, and therefore is unlikely to result in direct and indirect exposures of the aquatic compartment. The substance has a predicted octanol-water partition coefficient (log Kow) of 2.93,which is below the criterion (log Kow≥ 4.0) above which a substance exhibits the potential for chronic toxicity. The available information indicates that the substance has a low potential for aquatic bioaccumulation; substances that degrade rapidly in the environment “are likely to be rapidly metabolized in organisms” in accordance with ECHA guidance (ECHA, Guidance on information requirements and chemical safety assessment, Chapter R.7C, Endpoint-specific guidance, Section R.7.10.3.4, p. 26, November 2012). Therefore, the substance was not classified with respect to environmental hazards.
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