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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 940-742-0 | CAS number: -
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- June 2014
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient)
- GLP compliance:
- no
- Type of method:
- shake-flask method to: flask method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- Humic acids and fulvic acids extracted from leonardite, reaction product with formaldehyde, potassium hydrogen sulfite, sodium hydrogen sulfite and potassium hydroxide
- Molecular formula:
- NA, macromolecular compound
- IUPAC Name:
- Humic acids and fulvic acids extracted from leonardite, reaction product with formaldehyde, potassium hydrogen sulfite, sodium hydrogen sulfite and potassium hydroxide
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Study design
- Analytical method:
- photometric method
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- -0.96
- Temp.:
- 20 °C
- pH:
- 1
Any other information on results incl. tables
The partition coefficient (Pow) for each individual determination, the means for each set of test conditions, and the overall mean and standard deviation are shown below.
Sample number |
Volume ratio (octanol/water) |
Partition coefficient (Pow) |
log(Pow) |
1 |
10:1 |
0.111 |
-0.95 |
2 |
10:1 |
0.111 |
-0.95 |
1 |
20:1 |
0.113 |
-0.95 |
2 |
20:1 |
0.113 |
-0.95 |
1 |
5:1 |
0.108 |
-0.97 |
2 |
5:1 |
0.107 |
-0.97 |
Average |
10:1 |
0.111 |
-0.95 |
Average |
20:1 |
0.113 |
-0.95 |
Average |
5:1 |
0.107 |
-0.97 |
Overall average± standard deviation |
|
0.111 ± 0.003 |
-0.96 |
Applicant's summary and conclusion
- Conclusions:
- The partition coefficient of the test substance was determined according to EU Method A.8; The shake-flask method.
Results:
Partition coefficient (Pow):0.111 ± 0.003 (overall average± standard deviation)
log(Pow):-0.96
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.
