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EC number: 947-384-4 | CAS number: -
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:
- July 24, 2017
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- 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:
- not specified
- Type of method:
- ring method
- Surface tension:
- 72.8 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The average surface tension was 72.8 mN/m.
- Executive summary:
The surface tension of the test substance was determined in an OECD Guideline 115 test. The surface tension of saturated solution at 20 °C was determined to be 72.8 mN/m.
Reference
The absolute deviation was 0.2 mN/m.
Rep.# |
1 |
2 |
||
Reading # |
Temperature (°C) |
Measured surface tension (mN/m) |
Temperature (°C) |
Measured surface tension (mN/m) |
1 |
20.0 |
74.5 |
20.0 |
75.0 |
2 |
20.1 |
75.0 |
20.0 |
74.8 |
3 |
20.0 |
74.2 |
20.0 |
74.4 |
4 |
20.0 |
74.5 |
20.0 |
73.7 |
5 |
20.0 |
73.7 |
20.0 |
73.4 |
6 |
20.0 |
72.0 |
20.0 |
72.0 |
7 |
20.0 |
72.3 |
20.0 |
72.0 |
8 |
20.0 |
72.0 |
20.0 |
72.5 |
9 |
20.0 |
72.0 |
20.0 |
71.6 |
10 |
20.0 |
71.8 |
20.0 |
72.0 |
Mean1 |
20.0 |
72.0 |
20.0 |
72.0 |
AD2 |
0.0 |
0.1 |
0.0 |
0.2 |
1MeanRep # |
Temperature (°C) |
Measured Mean Surface Tension (mN/m) |
Φb Corrected Surface Tension (mN/m) |
1 |
20.0 |
72.0 |
72.0 |
2 |
20.0 |
72.0 |
72.0 |
Mean3 |
20.0 |
72.0 |
72.0 |
AD4 |
0.0 |
0.0 |
0.0 |
Description of key information
72.8 mN/m at 20 °C (OECD 115, ring method), not surface active substance
Key value for chemical safety assessment
Additional information
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