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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 424-640-9 | CAS number: 202842-98-6
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 998
- Report date:
- 1998
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 106 (Adsorption - Desorption Using a Batch Equilibrium Method)
- Deviations:
- no
- Type of method:
- batch equilibrium method
- Media:
- soil
Test material
Constituent 1
- Radiolabelling:
- yes
Study design
Batch equilibrium or other method
Duration of adsorption equilibrationopen allclose all
- Sample No.:
- #1
- Duration:
- 16 h
- Initial conc. measured:
- 0.4 other:
- Temp.:
- >= 20 - <= 25 °C
- Sample No.:
- #2
- Duration:
- 16 h
- Initial conc. measured:
- 0.4 other:
- Temp.:
- >= 20 - <= 25 °C
- Sample No.:
- #3
- Duration:
- 16 h
- Initial conc. measured:
- 0.4 other:
- Temp.:
- >= 20 - <= 25 °C
Duration of desorption equilibrationopen allclose all
- Sample no.:
- #1
- Duration:
- 16 h
- Sample no.:
- #2
- Duration:
- 16 h
- Sample no.:
- #3
- Duration:
- 16 h
Results and discussion
Adsorption coefficientopen allclose all
- Key result
- Sample No.:
- #1
- Type:
- Kd
- Value:
- 0.5 L/kg
- pH:
- 5.5
- % Org. carbon:
- 0.99
- Key result
- Sample No.:
- #1
- Type:
- Koc
- Value:
- 54 dimensionless
- pH:
- 5.5
- % Org. carbon:
- 0.99
- Key result
- Sample No.:
- #2
- Type:
- Kd
- Value:
- 1.1 L/kg
- pH:
- 6.1
- % Org. carbon:
- 2.27
- Key result
- Sample No.:
- #2
- Type:
- Koc
- Value:
- 47 dimensionless
- pH:
- 6.1
- % Org. carbon:
- 2.27
- Key result
- Sample No.:
- #3
- Type:
- Kd
- Value:
- 0.4 L/kg
- pH:
- 6.6
- % Org. carbon:
- 1.24
- Key result
- Sample No.:
- #3
- Type:
- Koc
- Value:
- 0.4 dimensionless
- pH:
- 6.6
- % Org. carbon:
- 1.24
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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.
