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EC number: 219-233-6 | CAS number: 2390-63-8
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:
- 10 January 2017 to 20 March 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- 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)
- Version / remarks:
- 2008
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
- Key result
- Surface tension:
- 64.1 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- Under the conditions of the study, the surface tension of a test solution at a concentration of 1 g/L at 20 °C was 64.1 mN/m.
- Executive summary:
The surface tension of a solution of the test material was determined in accordance with the standardised guidelines OECD 115 and EU Method A.5 under GLP conditions using the OECD harmonised ring method.
Under the conditions of the study, the surface tension of a test solution at a concentration of 1 g/L at 20 °C was 64.1 mN/m. Accordingly, the test material is considered not to be surface active.
Reference
Table 1: Surface tension of the test material
Measurement |
Time passed* [minutes] |
Surface tension [mN/m] |
||
Individual |
Mean |
Mean multiplied by Φb and HJ** |
||
1 |
15 |
65.9 |
66.0 |
64.1 |
2 |
16 |
66.3 |
||
3 |
17 |
66.2 |
||
4 |
18 |
66.4 |
||
5 |
19 |
65.9 |
||
6 |
20 |
66.0 |
||
7 |
21 |
66.0 |
||
8 |
22 |
66.1 |
||
9 |
23 |
66.1 |
||
*After transfer of test solution to test vessel
** Harkins-Jordan corrected value
Description of key information
Under the conditions of the study, the surface tension of a test solution at a concentration of 1 g/L at 20 °C was 64.1 mN/m.
Key value for chemical safety assessment
- Surface tension:
- 64.1
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The surface tension of a solution of the test material was determined in accordance with the standardised guidelines OECD 115 and EU Method A.5 under GLP conditions using the OECD harmonised ring method. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
Under the conditions of the study, the surface tension of a test solution at a concentration of 1 g/L at 20 °C was 64.1 mN/m. Accordingly, the test material is considered not to be surface active.
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