Registration Dossier
Registration Dossier
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: 946-212-5 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
RA_CAS 70024-69-0, OECD 301D: 8 % degradation after 28 days (Douglas, 1989)
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
Experimental results for the biodegradation of the Benzenesulfonic acid, mono-C20-24 (even)-sec-alkyl derivs., para-, sodium salts (generic name: C20-24 sodium sulfonate) are not available. However, biodegradation studies were performed with three structural analogues of the C20-24 sodium sulfonate. Referring to the key study, calcium sulfonate read-across substance (Analogue of CAS 70024-69-0) attained 8 % degradation during the test duration of 28 days (OECD Guideline 301D, Douglas, 1989). With regard to the supporting studies, Sanitised, O. (1996) determined 8.6 % degradation after 28 days (OECD Guideline 301F) for the calcium sulfonate read-across substance (CAS 61789 -86 -4) while 9.1 % degradation was attained for the calcium sulfonate read-across substance (CAS 68783-96-0) after 28 days (OECD Guideline 301B, Sanitised, P. 1995). Based on the results of these studies, the C20-24 sodium sulfonate is not expected to be readily biodegradable.
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.
