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EC number: 812-549-0 | CAS number: 881539-89-5
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 05 Oct - 09 Oct 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guidelineopen allclose all
- 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)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Landesamt für Umwelt, Wasserwirtschaft und Gewerbeaufsicht, Mainz, Germany
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- disodium 4-[(1-hydroxyprop-2-en-1-yl)amino]-4'-(prop-2-enamido)-[1,1'-biphenyl]-2,2'-disulfonate
- EC Number:
- 812-549-0
- Cas Number:
- 881539-89-5
- Molecular formula:
- C18H14N2Na2O8S2
- IUPAC Name:
- disodium 4-[(1-hydroxyprop-2-en-1-yl)amino]-4'-(prop-2-enamido)-[1,1'-biphenyl]-2,2'-disulfonate
Constituent 1
Study design
- Analytical method:
- high-performance liquid chromatography
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- < -2.08
- Temp.:
- 21 °C
- pH:
- >= 6.84 - <= 6.96
Any other information on results incl. tables
Results and Discussion
Overview of Determinations
The POW for each determination, the mean, standard deviation and relative standard deviation of the six determinations are presented in the following table.
Step |
Pow |
Mean pow step |
Mean Pow |
Standard deviation |
Relative standard deviation |
1a |
<0.00828 |
<0.00831 |
< 0.00836 |
0.00007 |
0.9% |
1b |
<0.00834 |
||||
2a |
<0.00849 |
<0.00841 |
|||
2b |
<0.00834 |
||||
3a |
<0.00840 |
<0.00836 |
|||
3b |
<0.00831 |
The log POW for each determination, the mean, standard deviation and relative standard deviation of the six determinations at the three volume ratios of water : n-octanol is presented in the following table.
Step |
Pow |
Mean pow step |
Mean Pow |
Standard deviation |
Relative standard deviation |
1a |
<-2.082 |
< -2.078 |
0.01 |
0.004 |
0.2% |
1b |
<-2.079 |
||||
2a |
<-2.071 |
||||
2b |
<-2.079 |
||||
3a |
<-2.075 |
||||
3b |
<-2.081 |
log POW
The log POW of the test item was calculated as (log POW ± standard deviation): < -2.08 ± 0.00
Validity
The six log POWs should lie in a range of ± 0.3 units.
The range was smaller than 0.1 log POW. This condition is fulfilled therefore.
Applicant's summary and conclusion
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.
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