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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 223-211-1 | CAS number: 3770-97-6
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.19 (Estimation of the Adsorption Coefficient (KOC) on Soil and Sewage Sludge Using High Performance Liquid Chromatography (HPLC))
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
- GLP compliance:
- yes
- Type of method:
- HPLC estimation method
- Details on sampling:
- The test item was dissolved in methanol and diluted from 0.1 ml to 1 ml with methanol / demineralized water 55:45 % (v/v). The dead time marker and the calibration substances were dissolved in methanol and diluted from 0.1 ml to 1.0 ml with methanol / demineralized water 55:45 % (v/v).
- Key result
- Sample No.:
- #1
- Type:
- log Koc
- Value:
- ca. 2.64 dimensionless
- Remarks on result:
- other: pH and T not indicated
- Key result
- Sample No.:
- #2
- Type:
- log Koc
- Value:
- ca. 2.7 dimensionless
- Remarks on result:
- other: pH and T not indicated
- Transformation products:
- no
- Validity criteria fulfilled:
- yes
- Conclusions:
- The adsorption coefficient of the test item was determined according to the HPLC method described in the European Commission Regulation (EC) No. 440/2008, C.19.
The adsorption coefficient of the test item was found to be:
log KOC = 2.7
Reference
Description of key information
The adsorption coefficient of the test item was found to be: log KOC = 2.7
Key value for chemical safety assessment
- Koc at 20 °C:
- 2.7
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.
