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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 276-431-5 | CAS number: 72162-23-3 The high-boiling fraction separated by distillation from the products obtained from the reaction of nitric acid with cyclododecanol and cyclododecanone. Composed primarily of dodecanedioic acid, undecanedioic acid, and sebacic acid.
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
The adsorption coefficient on soil (Koc) of dodecanedioic acid the read across for Corfree M1 was determined using the HPLC method according to OECD guideline 121 (2001) and EU test method C.19 (2008). The results were:
Koc = 79 / log Koc = 1.9 (undissociated)
Koc = 40 / log Koc = 1.6 (dissociated)
Blume scale: "very low" (Koc 1 - 100)
Key value for chemical safety assessment
- Koc at 20 °C:
- 1.9
Additional information
KOCWIN v2.00 as integrated in EpiWin Version 4.1 (first-order molecular connectivity index (1-MCI) method), Syracuse Research Center / U.S. EPA. The soil sorption coefficient of dodecanedioic acid was QSAR calculated to be Koc = 845.5 (log Koc = 2.927). This corresponds to a "medium" potential for geoaccumulation (Blume scale). In the environment the geoaccumulation potential will be further decreased because the acidic properties of the substance (see 4.21) will lead to dissociation in the aqueous phase, leaving only the undissociated form for adsorption equilibria. PCKowWin Version 1.66 Model result: Koc = 845.5; log Koc = 2.927 "medium" potential for geoaccumulation (Blume scale)
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.
