Registration Dossier
Registration Dossier
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EC number: 202-393-6 | CAS number: 95-13-6
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 toxicity results for Daphnia and algae are available for the substance. The 48h-EC50 for Daphnia magna was 2.2 mg/L. The 72h-ErC50 and 72h-ErC10 for algae were 4.3 mg/L and 3.3 mg/L, respectively. The substance is not readily biodegradable.
Short-term (acute) aquatic hazard
According to Table 4.1.0(a) of the CLP regulation, the substance does not have to be classified for acute toxicity, since the EC50 of both algae and Daphnia are >1 mg/L.
Long-term (chronic) aquatic hazard
The only available chronic value is the 72h-ErC10 for algae. The chronic classification has to be determined based on this chronic value according to Table 4.1.0 (b) (i) (as the substance is not readily biodegradable) and based on the available EC50 value for algae and Daphnia and environmental fate data according to Table 4.1.0 (b) (iii). The most stringent outcome is leading:
- As the ErC10 of algae is >1 mg/L, the substance does not have to be classified for chronic toxicity based on this available chronic value.
- As the EC50 value for Daphnia and the ErC50 of algae are >1 and <= 10 mg/L, and not rapidly biodegradable, the substance needs to be classified as Chronic Cat. 2.
It is therefore concluded that the substance needs to be classified as Chronic Cat. 2 according to the CLP Regulation.
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