Registration Dossier
Registration Dossier
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EC number: 205-117-2 | CAS number: 133-66-4
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
The substance with CAS 133-66-4 is with high probability acutely not harmful to aquatic algae.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 100 mg/L
- EC10 or NOEC for freshwater algae:
- 100 mg/L
Additional information
According to the study available on a close structural analogue (CAS 16090 -02 -1), there were no effects recognized on the test organisms at the test concentrations of the substance of 100 mg/L.
Therefore the substance with CAS 133-66-4 is considered to be with high probability acutely not harmful to aquatic algae.
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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