Registration Dossier
Registration Dossier
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EC number: 264-036-0 | CAS number: 63225-53-6
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:
- 28 Oct.-29 Oct. 2014
- 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)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Hess. Ministerium für Umwell, Energie, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
- Type of method:
- ring method
- Surface tension:
- 46.6 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Reference
The results of two measurements are shown in the following table:
Value No. |
1stmeasurement (10 min after preparing the solution) σ[mN/m] |
2ndmeasurement (50 min after preparing the solution) σ[mN/m] |
1 |
46.70 |
46.57 |
2 |
46.68 |
46.55 |
3 |
46.67 |
46.53 |
4 |
46.66 |
46.53 |
5 |
46.66 |
46.52 |
6 |
46.65 |
46.53 |
Mean |
46.67 ± 0.02 |
46.54 ± 0.02 |
Total mean |
46.61 ± 0.09 |
|
The test item has a mean surface tension of 46.6 mN/m. Thus, the test item is to be regarded as surface active.
Description of key information
46.6 mN/m at 20 °C and concentration in 1 g/L (OECD 115, A.5.)
Key value for chemical safety assessment
- Surface tension:
- 46.6
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The surface tension of test item was determined by ring method.
Based on the testing result, the test item is to be regarded as surface active.
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