Registration Dossier
Registration Dossier
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EC number: 248-983-7 | CAS number: 28348-53-0
Long-term toxicity to fish
Administrative data
Link to relevant study record(s)
- Endpoint:
- fish life cycle toxicity
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
Reference
Description of key information
As acute toxicity was not observed at the concentrations tested in the acute studies (The 96-hr LC50 for Pimephales promelas, exposed to the test substance in a static system was >1000 mg/L (equivalent to >450 mg/L active ingredient taking into account the 45% purity of the sample). NOEC>560 mg/L) and the substance is readily biodegradable, no additional chronic testing on aquatic fish is required and this endpoint is waived.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 560 mg/L
Marine water fish
Marine water fish
- Effect concentration:
- 56 mg/L
Additional information
The available data for saltwater fishes a are limited and to obtaine the value for PNECs for saltwaters is taken account a assesment factor 10 to extrapolate to NOEC following the “Guidance on Information Requirement and Chemical Safety Assessment R.10: Characterisation of dose [concentration]- response for environment”and “Table R.10-5 Assessment factors proposed for deriving PNEC water for saltwater for different data sets”, to account for the possibility that greater taxonomic diversity in the marine environment makes it likely that some marine taxa may be more sensitive than the most sensitive freshwater taxa
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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