Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 251-717-2 | CAS number: 33885-51-7
Endpoint summary
Administrative data
Description of key information
In the following table the aquatic toxicity is summarised.
Species | Guideline | Result in mg/l | Remarks |
Pseudokirchneriella subcapitata | OECD TG 201 | 72h-EC50 (growth rate): 4.2 72h-EC10 (growth rate): 1.9 Static. Results based on geometric mean measured concentrations | Key study, Rel 1 |
Daphnia magna | OECD TG 202 | 48h-EC50: 0.67 Semi-static. Results based on mean measured initial concentrations, because substance remained stable during 24 hours. | Key study, Rel 1 |
Cyprinus carpio | Read-across | 72h-LC50: 1.5 Semi-static. Results based on geometric mean measured concentrations | Key study, Rel 1 Pinyl Isobutyr Aldehyde was tested in an OECD TG 203 |
Micro-organisms | Read-across | 3h-ELR50: >1000 | Key study, Rel 1 Pinyl Isobutyr Aldehyde was tested in an OECD TG 209 |
Additional information
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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