Registration Dossier
Registration Dossier
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EC number: 930-389-0 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- September 30, 2008 - October 1, 2008
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed 2006-06-01
- Type of method:
- ring method
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- - Name of test material (as cited in study report): Symrose, (cis/trans) 4-(3-methylbutyl)cyclohexanol
- Substance type: technical product
- Physical state: liquid
- Storage condition of test material: ambient temperature, dark, dry
Results and discussion
Surface tension
- Surface tension:
- 30.68 mN/m
- Temp.:
- 19.9 °C
- Conc.:
- 92.8 mg/L
Any other information on results incl. tables
For time line and time dependence of the measured surface tension, see attachment.
Table 1: Surface tension, temperature
Measurement No.* |
Time [min] ** |
Surface tension [mN/m] |
Temperature [°C] |
1 |
41.4 |
30.59 |
19.9 |
2 |
42.1 |
30.65 |
|
3 |
42.7 |
30.63 |
|
4 |
43.3 |
30.67 |
|
5 |
44.0 |
30.69 |
|
6 |
44.6 |
30.70 |
|
7 |
45.3 |
30.70 |
|
8 |
45.9 |
30.73 |
|
9 |
46.6 |
30.74 |
|
10 |
47.2 |
30.74 |
|
MV |
- |
30.68 |
|
SD |
- |
0.05 |
|
* last 10 measurements ** time from transfer of the test solution into the test vessel till end of each measurement |
|||
Validation:
The surface tension of the reference item hexane was determined on 2008-01-07 with 18.36 ± 0.01mN/m at a temperature range of 19.9 – 20.0 °C. This value is in the range of tolerance of ± 1mN/m acc. to the literature value of 18.42 ± 0.02mN/m at 20 °C.
Applicant's summary and conclusion
- Conclusions:
- The surface tension of an aqueous solution of 90 % of the saturation solubility of Symrose was determined to be 30.68 ± 0.05 mN/m at a temperature of 19.9 °C. Due to the fact that the surface tension is < 60 mN/m, the test item has surface active properties.
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