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Registration Dossier
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EC number: 695-748-3 | CAS number: 65286-55-7
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:
- From 2017-09-28 to 2017-09-28
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Specific details on test material used for the study:
- - Batch n°: DR74271215
- Production release date: 30 November 2015
- Description: clear liquid
- Molecular formula: C13H31N3O2
- Molecular weight: 261.4 g/mol
- Expiry date: 30 December 2018
- Purity (on dry basis): 98.2%, water content: 0.05% - Key result
- Surface tension:
- 62.6 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension of the test item was determined to be 62.6 mN/m.
Reference
Surface Tension Data Run 1
| Solution Age (minutes) | Surface Tension Reading (mN/m) |
| 0 | 59.1 |
| 15 | 61.9 |
| 30 | 62.1 |
| 45 | 62.5 |
| 60 | 62.5 |
| 75 | 62.5 |
Surface Tension Data Run 2
| Solution Age (minutes) | Surface Tension Reading (mN/m) |
| 0 | 62.5 |
| 15 | 62.6 |
| 30 | 62.7 |
| 45 | 62.6 |
| 60 | 62.3 |
| 75 | 62.6 |
| 85 | 62.7 |
Result : 62.6 mN/m (mean value)
Description of key information
The surface tension of the substance was determined in a GLP study according to test method EC A.5 and OECD guideline 115 to be 62.6 mN/m at 20.0°C following the ring method (K1; Younis, 2017).
Key value for chemical safety assessment
- Surface tension:
- 62.6
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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