Registration Dossier
Registration Dossier
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EC number: 407-000-3 | CAS number: 127519-17-9 CGL 384; TINUVIN 384
Endpoint summary
Administrative data
Description of key information
Additional information
Acute tests on all three trophic levels were performed to examine the aquatic toxicity. Daphnia magna turned out to be the most sensitive species revealing an EC50 (48h) of 3.2 mg/L.
However, as undissolved particles were observed during the test, the observed effects can relate to physical effects of test substance far above the solubility range.
No effects towards fish and algae were observed in the range of water solubility.
The long term toxicity on aquatic invertebrates was investigated in a reproduction study on Daphnia magna. The respective NOEC corresponds to the highest test concentration of nominal 2.2 mg/L with average measured concentrations of 0.425 mg/L. Therefore, the substance caused no long term toxicity in the range of water solubility. Since fish is acute less sensitive than Daphnia and for reason of animal welfare a further long-term test with fish is not provided.
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