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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 953-553-3 | CAS number: -
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption, other
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Equation shown to be valid for chlorinated paraffins
- Justification for type of information:
- QSAR prediction
- Principles of method if other than guideline:
- Calculation of Koc value from QSAR equation
- GLP compliance:
- not specified
- Type of method:
- other: QSAR determination
- Media:
- other: QSAR determination
- Radiolabelling:
- no
- Test temperature:
- Not applicable
- Details on study design: HPLC method:
- Not applicable
- Details on sampling:
- Not applicable
- Details on matrix:
- Not applicable
- Details on test conditions:
- Not applicable
- Computational methods:
- Not applicable
- Sample No.:
- #1
- Type:
- log Koc
- Value:
- >= 4.47 - <= 4.96 dimensionless
- Remarks on result:
- other: QSAR determination
- Details on results (HPLC method):
- Not applicable
- Adsorption and desorption constants:
- Not applicable
- Recovery of test material:
- Not applicable
- Concentration of test substance at end of adsorption equilibration period:
- Not applicable
- Concentration of test substance at end of desorption equilibration period:
- Not applicable
- Details on results (Batch equilibrium method):
- Not applicable
- Statistics:
- Not applicable
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- The log Koc was calculated to be 4.47- 4.96.
- Executive summary:
Using the QSAR equation for predominantly hydrophobic chemicals given in the EU Technical Guidance Document (log Koc=0.81 log Kow + 0.10), and a log Kow value of 5.4- 6.0 the Koc value for Fatty acids, C16-C18(even numbered) methyl esters, chlorinated can be estimated as 4.47- 4.96.
Reference
Description of key information
The log Koc was calculated to be 4.47- 4.96.
Key value for chemical safety assessment
- Koc at 20 °C:
- 91 201
Additional information
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.
