Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.002 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
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:
- 100 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.268 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.027 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:
- 0.052 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 10 mg/kg food
- Assessment factor:
- 300
Additional information
Conclusion on classification
The key aquatic ecotoxicity values are as follows:
- Acute toxicity to fish: 96h-LC50 = 0.93 mg test item/L
- Acute toxicity to aquatic invertebrates: 48h-EC50 = 0.32 mg test item/L (lowest E(L)C50)
- Toxicity to algae: 72h-ErC50 = >2.0 mg test item/L and 72h-ErC10 = 2.0 mg test item/L (specific growth rate)
- Chronic toxicity to fish: 28d-NOEC = 0.15 mg test item/L
- Chronic toxicity to aquatic invertebrates: 21d-NOEC = 0.022 mg/L (lowest chronic NOEC)
- Toxicity to microorganisms: 3h-NOEC = 1000 mg/L
In addition, based on an experimental study performed according to OECD 301B guideline and under GLP compliance, the substance has been found to be readily biodegradable.
CLP Classification proposal
It is proposed to compare submission substance dataset to CLP environmental criteria laid down in CLP Regulation
- Acute aquatic hazard: acute 1. Reasoning: lowest E(L)C50 below 1 mg/L (48h-EC50 = 0.32 mg/L for aquatic invertebrates Daphnia magna).
The acute M factor is 1 because the lowest L(E)C50 value is between 0.1 and 1.
- Chronic aquatic hazard:category 2. Reasoning: rapidly degradable substance with adequate chronic toxicity data are available, lowest chronic NOEC or ECx value is between 0.01 and 0.1 mg/L (21d-NOEC = 0.022 mg/L for aquatic invertebrate Daphnia magna).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
