Registration Dossier
Registration Dossier
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EC number: 217-615-7 | CAS number: 1910-42-5
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 30 Jan 2001 to 29 Mar 2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient - Shake Flask Method)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7550 (Partition Coefficient, n-octanol / H2O, Shake Flask Method)
- GLP compliance:
- yes
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
- Analytical method:
- photometric method
- Key result
- Type:
- log Pow
- Partition coefficient:
- -4.5
- Temp.:
- 20 °C
- pH:
- 4.6
- Conclusions:
- The octanol-water partition coefficient (Log Pow) of test substance at approximately 20 °C was -4.5.
- Executive summary:
The octanol-water partition coefficient (Log Pow) of the test item was determined based on the flask method in accordance with OECD TG 107 and in compliance with GLP. The octanol-water partition coefficient (Log Pow) of test substance at approximately 20 °C was -4.5.
Reference
Table: Partition Coefficient Results
Ratio, Replicate |
Coct (% w/v) |
Caq (% w/v) |
Pow |
Log Pow |
1:1, 1 |
8.40E-06 |
0.265 |
3.17E-05 |
-4.50 |
1:1, 2 |
7.67E-06 |
0.268 |
2.86E-05 |
-4.54 |
4:1, 1 |
9.78E-06 |
0.292 |
3.35E-05 |
-4.48 |
4:1, 2 |
8.63E-06 |
0.294 |
2.94E-05 |
-4.53 |
3:2, 1 |
6.18E-06 |
0.270 |
2.29E-05 |
-4.64 |
3:2, 2 |
7.60E-06 |
0.274 |
2.77E-05 |
-4.56 |
Mean |
-4.5 (Sr 1.2 %) |
|||
Description of key information
Log Pow= -4.5 at 20 °C, OECD 107, flask method, Husband 2001
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -4.5
- at the temperature of:
- 20 °C
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.
