Registration Dossier
Registration Dossier
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EC number: 279-899-9 | CAS number: 82089-64-3
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 23 Mar 2017 (experimental starting date) - 07 Sep 2017 (experimental completiong date)
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 30 May 2008
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 27 July 1995
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Surface tension:
- 69.4 mN/m
- Temp.:
- 21 °C
- Conc.:
- 90 vol%
- Conclusions:
- According to criteria mentioned in EC Method A.5, substances showing a surface tension lower than 60 mN/m under the conditions of this method should be regarded as being surface-active.
The mean surface tension of duplicate 90 % saturation concentration solutions of test item in water has been determined to be 69.4 mN/m at 21.0 ± 0.5 °C. The test item was considered not to be surface-active. - Executive summary:
The mean surface tension of duplicate 90 % saturation concentration solutions of test item in water has been determined to be 69.4 mN/m at 21.0 ± 0.5 °C. The test item was considered not to be surface-active.
Reference
| Sample 1 | Sample 2 | ||||
| Time (min) | Reading (mN/m) | Temperature (°C) | Time (min) | Reading (mN/m) | Temperature (°C) |
| 1320 | 68.0 | 21.0 | 1460 | 69.0 | 21.0 |
| 1329 | 69.5 | 21.0 | 1469 | 69.0 | 21.0 |
| 1339 | 69.5 | 21.0 | 1478 | 69.5 | 21.0 |
| 1348 | 69.0 | 21.0 | 1488 | 69.5 | 21.0 |
| 1357 | 69.5 | 21.0 | 1498 | 69.5 | 21.0 |
| 1367 | 69.5 | 21.0 | - | - | - |
Description of key information
The mean surface tension of duplicate 90 % saturation concentration solutions of test item in water has been determined to be 69.4 mN/m at 21.0 ± 0.5 °C. The test item was considered not to be surface-active.
Key value for chemical safety assessment
Additional information
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