Registration Dossier
Registration Dossier
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EC number: 212-096-3 | CAS number: 762-26-5
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 tests for Daphnia and algae are available for the substance. The EC50 value for Daphnia is 0.73 mg/L and the ErC50 for algae is 2.9 mg/L. Based on the lowest available acute data for Daphnia with an EC50 value of 0.73 mg/L, the substance needs to be classified as Acute Cat. 1, H400 according to Regulation 1272/2008/EC (Table 4.1.0; a).
The only available chronic value is the ErC10 of algae being 0.21 mg/L. According to CLP Figure 4.1.1, the chronic classification has to be determined based on this chronic value according to Table 4.1.0, (b) ii (as the substance is readily biodegradable) and based on the available EC50 value for Daphnia and environmental fate data according to Table 4.1.0, (b) iii. The most stringent outcome should be leading:
- As the ErC10 is between 0.1 and 1 mg/L (and the substance is readily biodegradable), the substance needs to be classified for chronic toxicity according to Table 4.1.0, (b) ii as Chronic Cat. 3, H412, based on this available chronic value.
- Based on the fact that the log Pow of the substance is ≥ 4 (4.4) and the EC50 value for Daphnia is ≤ 1 mg/L (0.73 mg/L), the substance needs to be classified as Chronic Cat. 1, H410 according to Table 4.1.0, (b) iii. This is the most stringent outcome.
Overall, it can be concluded that the substance needs to be classified for environmental hazards as Acute Cat. 1, H400 and Chronic Cat. 1, H410 according to Regulation 1272/2008/EC and GHS.
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