Registration Dossier
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EC number: 939-688-0 | CAS number: -
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:
- August 22, 2005 - September 13, 2005
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient)
- Version / remarks:
- (December 1992)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- Version / remarks:
- (30 March 1989)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- - Name of test material: Fatty acids, C16-18, reaction products with tetraethylenepentamine, acetates (salts)
- Analytical method:
- high-performance liquid chromatography
- Key result
- Type:
- log Pow
- Partition coefficient:
- < 0.3
- Temp.:
- 25 °C
- pH:
- 5.4
- Conclusions:
- The log Pow of C1618FA-TEPA-compound was <0.3.
- Executive summary:
The n-Octanol-Water partition coefficient (log Pow) of C1618FA-TEPA-compound was determined according to OECD guideline 117 (30 March 1989) and EU method A.8 (December 1992) using the HPLC method. The retention times were below the lowest reference substance used.
The log Pow of C1618FA-TEPA-compound was found to be below 0.3
Reference
|
Mean retention time [min] |
Log Kow |
Thiourea (=dead time) |
1.94 |
|
Reference items |
|
|
2-Butanone |
2.53 |
0.3 |
Benzonitrile |
2.88 |
1.6 |
Benzene |
3.69 |
2.1 |
Bromobenzene |
4.72 |
3.0 |
1,4-Dichlorobenzene |
5.61 |
3.4 |
1,2,4-Trichlorobenzene |
7.77 |
4.2 |
Test item |
|
|
1stpeak |
1.65 |
<0.3 |
2ndpeak |
2.01 |
<0.3 |
3rdpeak |
2.35 |
<0.3 |
The log Pow of the test item was found to be below 0.3 (below the lowest reference item used).
Description of key information
The log Pow of C1618FA-TEPA-compound is <0.3 (OECD guideline 117/EU method A.8; HPLC method).
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 0.3
- at the temperature of:
- 20 °C
Additional information
The n-Octanol-Water partition coefficient (log Pow) of C16 18FA-TEPA-compound was determined according to OECD guideline 117 (30 March 1989) and EU method A.8 (December 1992) using the HPLC method. The retention times were below the lowest reference substance used.
The log Pow of C1618FA-TEPA-compound was found to be below 0.3
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