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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 943-995-5 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
The analogue substance was tested for acute toxicity to fish, aquatic invertebrates and toxicity to aquatic algae (NONS dossier, 1997).
In the acute toxicity test to fish the substance showed a LC50, 96h >24 mg/l. Moreover, no mortality was observed up to 24 mg/l and the LC50, 96h can be considered above 24 mg/l. The substance does not show any toxic effect up to its solubility limit in the tested medium .
The aquatic algae EC50, 72h >100 mg/l (growth rate) and > 40.9 mg/l (biomass) and the acute toxicity to aquatic invertebrates showed a EC50, 48h > 259 mg/l.
Based on the read across considerations same results apply to Reactive Orange 11.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
