Registration Dossier
Registration Dossier
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EC number: 434-430-9 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Solubility of the test substance in water
The test substance was considered as highly insoluble in water (<0.0055 µg/L at 20°C) based on the water solubility determination of another UVCB containing the test substance.
Available ecotoxicological dataset
A summary of the ecotoxicological dataset available on the test substance is provided in the table below.
| Guideline | Species | Basis for effect | Effect concentration (mg/L) |
Short-term toxicity to fish | OECD 203 | Oncorhynchus mykiss | Mortality | 96h-LL50 > 100 |
Short-term toxicity to aquatic invertebrates | OECD 202 | Daphnia magna | Mobility | 48h-EL50 > 100 |
Short-term toxicity to aquatic algae | OECD 201 | Pseudokirchneriella subcapitata | Growth rate and biomass | 72h ErL50 > 100 |
Long-term toxicity to aquatic algae | OECD 201 | Pseudokirchneriella subcapitata | Growth rate and biomass | 72h-NOELR>=100 |
Long-term toxicity to aquatic invertebrates | OECD 211 | Daphnia magna | Reproduction | 21d-EC10 > 10 |
Toxicity to microorganisms | OECD 209 | Activated sludge | Respiration | 3h-EC50 > 100 |
The methods for preparing the test solutions were designed to achieve the maximum water soluble fraction of the test material. For all organisms studied, no effects were observed at the maximum test concentration used. Therefore, it can be concluded that the test substance has no effects at the water solubility limit. In order to further investigate potential long-term hazards to aquatic organisms, a testing proposal to perform a long-term toxicity to fish study according to the OECD TG 210 has been submitted. Due to technical and experimental problems, the TG OECD 210 main test will be repeated and definitive results will be disseminated as soon as possible. Based on the non GLP results, no chronic effects on fish have been observed.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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