Registration Dossier
Registration Dossier
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EC number: 226-641-8 | CAS number: 5444-75-7
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:
- 18-19 june 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
- Key result
- Type:
- log Pow
- Partition coefficient:
- 6.21
- Temp.:
- 20 °C
- pH:
- 6.31
- Details on results:
- - pH of mobile phase: 6.31
- column temperature: 30 °C
Reference
Preliminary estimate:
The logPow was calculated to be 5.19.
Calibration:
Dead Time |
Retention Time (mins) |
Mean Retention Time (mins) |
|
|
Injection 1 |
Injection 2 |
|
Thiourea |
1.045 |
1.045 |
1.045 |
Standard |
Retention Time (mins) |
Mean Retention Time (mins) |
Capacity Factor (k') |
Log k' |
Log Pow |
|
|
Injection 1 |
Injection 2 |
|
|
|
|
Benzene |
1.759 |
1.754 |
1.757 |
0.681 |
-0.167 |
2.1 |
Toluene |
2.196 |
2.196 |
2.196 |
1.10 |
4.23 x 10-2 |
2.7 |
Naphthalene |
2.614 |
2.609 |
2.612 |
1.50 |
0.176 |
3.6 |
Phenanthrene |
4.534 |
4.519 |
4.526 |
3.33 |
0.523 |
4.5 |
Triphenylamine |
9.465 |
9.422 |
9.444 |
8.04 |
0.905 |
5.7 |
DDT |
12.818 |
12.741 |
12.779 |
11.2 |
1.05 |
6.5 |
Partition coefficient of sample:
Injection |
Retention Time (mins) |
Capacity Factor (k) |
Log k' |
Log Pow |
1 |
11.385 |
9.90 |
0.996 |
6.21 |
2 |
11.385 |
9.90 |
0.996 |
6.21 |
Description of key information
logPow: 6.21 at pH 6.31 (Method 117 of the OECD Guidelines using HPLC Method)
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 6.21
- 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.
