Registration Dossier
Registration Dossier
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EC number: 282-817-4 | CAS number: 84434-18-4
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
Conclusion on classification
Environmental classification and labelling of a substance is generally based on data from short-term aquatic toxicity results, the ready biodegradability of the substance and an experimentally determined BCF (or if absent the measured octanol/water partition coefficient, Kow). Available adequate chronic toxicity data is also relevant for the assessment of long-term aquatic hazards (Regulation 286/2011/EC).
Short-term aquatic toxicity data is available for two trophic levels (daphnia and algae). Based on valid studies for a closely related analogue, the daphnia 48 hour EC50 and algal 72 hour ErC50 for Gardamide are estimated to be 22 and 30 mg/L respectively. Since all EC50 values are > 1mg/L the substance is not classified for short-term hazards to the aquatic environment according to the CLP Regulation 1272/2008/EC.
Chronic aquatic toxicity data is only available for one trophic level (algae). Therefore, the long-term hazard has been assessed based on both:
a) The chronic aquatic toxicity data for algae (NOEC = 12.5 mg/L, based on read-across substance), which results in no chronic classification since the value is > 1mg/L, and
b) The acute aquatic toxicity data for daphnia (EC50 = 22 mg/L, based on read-across substance) and environmental fate data for Gardamide itself (not readily biodegradable), which results in a Category Chronic 3 classification
and classifying according to the most stringent outcome.
Thus it is concluded that the substance is classified Aquatic Chronic 3 (H412) according to the CLP Regulation 1272/2008/EC & adaptation 286/2011/EC.
According to the old DSD regulation, Directive 67/548/EEC, the substance would be classified R52/53.
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