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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 282-968-6 | CAS number: 84501-49-5
Long-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
42d NOEC (Pimephales promelas; mortality and growth) >= 1.357 mg/L (measured concentration)
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 1.357 mg/L
Additional information
Since no reliable chronic fish test is available for C9-11AS Na (CAS 84501-49-5), in accordance to Regulation (EC) No. 1907/2006 Annex XI, 1.5, a read-across to another structurally related category member was conducted. Read-across data from the C12 homologue - C12AS Na (CAS 151-21-3) were used. As the toxicity of alkyl sulfates is dependent on the carbon chain length, it is expected that the C12 homologue will be the worst case scenario for C9-11AS Na (CAS 84501-49-5).
A 42-day flow-through study with fathead minnow (Pimephales promelas) examining the toxic effect of C12AS Na (CAS 151-21-3) is available (Belanger et al. 1995). Juvenile mortality and juvenile growth were determined in a non-GLP test after exposure to five concentrations up to 1.357 mg/L (measured concentration, equal to 2.1 mg/L of nominal concentration). Since no adverse effects were observed regarding fish survival and body weight, the NOEC value was determined as equal as or higher than 1.357 mg/L (measured concentration).
Due to structural and property similarities with the tested category member, it can be concluded that the above result applies also to C9-11AS Na (CAS 84501-49-5).
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.
