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EC number: 944-553-4 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- This study was conducted bertween 12 August 2016 and 26 October 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- EC No. 440/2008 30 May 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 27 July 1995
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
Test material
- Reference substance name:
- 1-(2,4-dimethylcyclohex-3-en-1-yl)propan-1-ol
- EC Number:
- 944-553-4
- Cas Number:
- 1632042-40-0
- Molecular formula:
- C11H20O
- IUPAC Name:
- 1-(2,4-dimethylcyclohex-3-en-1-yl)propan-1-ol
- Test material form:
- solid
- Remarks:
- White
1
Results and discussion
Surface tension
- Key result
- Surface tension:
- ca. 48.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
Any other information on results incl. tables
Results
Sample solution readings
The readings, times and temperatures for the sample solution are shown in the following tables:
Sample 1
| Time (mins) | Reading (mN/m) | Temperature (°C) |
| 73 | 48.5 | 20.0 |
| 99 | 48.5 | 20.0 |
| 124 | 48.5 | 20.0 |
| 149 | 48.5 | 20.0 |
| 176 | 48.5 | 20.0 |
Sample 2
| Time (mins) | Reading (mN/m) | Temperature (°C) |
| 85 | 48.0* | 20.0 |
| 111 | 48.0* | 20.0 |
| 137 | 48.5 | 20.0 |
| 168 | 48.5 | 20.0 |
| 189 | 48.5 | 20.0 |
| 241 | 48.5 | 20.0 |
* Data point not used in average data.
Surface
tension = reading x calibration factor
Sample 1 = 48.5 mN/m
Sample 2 = 48.5 mN/m
Temperature : 20ºC for Sample 1
20ºC for
Sample 2
pH of sample solution: Sample 1 = 6.1
Sample 2 = 6.0
Applicant's summary and conclusion
- Conclusions:
- The mean surface tension of 90% saturated solutions of test itemFRET 11-0571) in water has been determined to be 48.5 mN/m at 20.0 ± 0.5 °C. The test item was considered to be surface-active.
- Executive summary:
The Surface Tension of FRET 11 -0571 has been determined to be 48.5 mN/m at according to OECD TG 115 (Surface Tension of Aqueous Solutions) using XXX method. According to EU method A5, the substance is considered to be surface active because the value is less than 60 mN/m under the conditions of this method
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