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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 406-200-8 | CAS number: 117827-06-2 COUPLER II; UC-136
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The report by Dr. Ir. C.G. van Ginkel with the title: Biodegradability of UC-136 in the closed bottle test (report number T 08007 C ECRA 2.333.364) is considered as the key study. A robust summary is included in this dossier
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable
Additional information
Although the results obtained suggest that UC-136 is not readily biodegradable. The biodegradation curves however strongly indicate that a part of the molecule is readily degradable. However the possible biodegradation products formed through oxidation of the alkyl chain from the far-end in their turn are probably not readily biodegradable, their bioaccumuative potential is considered to be neglegible based on the low partition coëfficients of the fragment molecules. Therefore the conclusion is that UC-136 should be classified as inherently biodegradable and non persistent.
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.
