Registration Dossier
Registration Dossier
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EC number: 701-385-4 | CAS number: -
Endpoint summary
Administrative data
Description of key information
The following ecotoxicological values are available:
acute fish: EC50 > 0.0013 mg/L from supporting study, no effects within water solubility
chronic fish: NOEC 10 mg/L , OECD 210
acute daphnia: EC50: > 100 mg/L, OECD 202
chronic daphnia: ELR10 reproduction 21d: 4.12 mg/L nominal loading rate (WAF); ELR50 reproduction 21d: > 10 mg/L nominal loading rate (WAF), OECD 211
acute algae: ErLR50 72h > 100mg/L nominal loading rate (WAF) , OECD 201
chronic algae: ErLR10 72h > 100mg/L nominal loading rate (WAF) , OECD 201
In addition: Data for the constituent Monoalkylated DPA with the hightest bioaccumulation potential in the PBT assessment:
acute fish: NOEC and LC50 were > 0.013 mg/l (nominal) and > 0.0013 mg/L (mean measured), OECD 203 , no mortality in the range up to the water solubility
acute daphnia: NOEC and EC50 were > 0.013 mg/l (nominal) and > 0.0014 mg/L (mean measured), OECD 202, no mortality in the range up to the water solubility
algae: NOEC and EC50 were > 0.013 mg/l (nominal) and > 0.00222 mg/L (mean measured), OECD 201, no effects in the range up to the water solubility.
Additional information
No inhibitory or toxic effects of the UVCB substance was determined by toxicity tests on aquatic invertebrates (acute) and algae, respectively. No adverse effects in a fish early life-stage test were observed. Only in a long-term toxicity test to Daphnia adverse effects were observed > 1mg/L. Thus, the substance is with high probability acutely not harmful to aquatic organisms. The PNECs are therefore based on the results of the available aquatic toxicity tests.
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