Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
Conclusion on classification
Short-term aquatic toxicity data are available for three trophic levels (fish, invertebrates and algae), based on QSAR results. ECOSAR v2.0 was used as the QSAR model using a water solubility of 2.47 mg/L and a partition coefficient of 5.56.
The acute effect values for fish, daphnids were not determined as no acute effects at saturation are expected. For algae, the acute effect value was determined to be 0.13 mg/L. For the algae, the effect value. The effect value for algae (0.13 mg/l) is < 1 mg/l and therefore it is concluded that the substance needs to be classified for acute aquatic hazard as category Aquatic Acute 1 (H400: Very toxic to aquatic life) according to EU CLP (EC1272/2008).
Long-term aquatic toxicity data are available only for aquatic algae for which a chronic value of 0.18 mg/L was determined. Based on the chronic data and the substance’ non-readily biodegradability, the substance needs for chronic hazard (Chronic 2).
As only one reliable long-term toxicity endpoint is available, chronic classification needs to be based on both chronic and acute data of which the most stringent outcome is used for the final classification. Regarding acute data (lowest acute value in the range of 0.1 – 1.0 mg/L), the substance being not readily biodegradable and a log Kow of 5.56 (no experimental BCF available) the substance needs to be classified. Therefore, based on short-term toxicity data, the substance is classified as Aquatic Chronic 1 (H401: Very toxic to aquatic life with long lasting effects) according to EU CLP (EC1272/2008).
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