Registration Dossier
Registration Dossier
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EC number: 257-104-6 | CAS number: 51277-96-4
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- 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:
- yes
- Remarks:
- The emasurement was performed at 25 °C instead of approximately 20 °C indicated in the guideline.
- GLP compliance:
- no
- Type of method:
- ring method
- Surface tension:
- 39.4 mN/m
- Temp.:
- 25 °C
- Conc.:
- 183 mg/L
- Conclusions:
- The surface tension of the substance was determined to be 39.4 mN/m at 25 °C
- Executive summary:
The surface tension of the substance was determined according to OECD guideline 115 using the ring method. At 25 °C the surface tension was determined to be 39.4 (+/- 0.28) mN/m.
Reference
Measurement 1
Time [s] |
Force [mN] |
Mass [g] |
Lamella [mm] |
SFT [mN/m] |
Avg. [mN/m] |
Dev. [mN/m] |
Temp. [°C] |
35.48 |
5.59175 |
0.57020 |
2.860 |
42.04877 |
-- |
-- |
24.95 |
67.41 |
5.49731 |
0.56057 |
2.879 |
41.28514 |
-- |
-- |
24.96 |
100.50 |
5.42582 |
0.55328 |
2.851 |
40.70779 |
-- |
-- |
24.95 |
132.74 |
5.38120 |
0.54873 |
2.882 |
40.34777 |
-- |
-- |
24.96 |
166.02 |
5.34708 |
0.54525 |
2.875 |
40.07257 |
40.892 |
0.789660 |
24.95 |
199.36 |
5.32442 |
0.54294 |
2.860 |
39.88999 |
40-461 |
0.554495 |
24.95 |
232.44 |
5.30648 |
0.54111 |
2.851 |
39.74538 |
40.153 |
0.383249 |
24.94 |
265.66 |
5.28981 |
0.53941 |
2.851 |
39.61109 |
39.933 |
0.288178 |
24.96 |
297.57 |
5.27578 |
0.53798 |
2.884 |
39.49815 |
39.763 |
0.226656 |
24.97 |
330-36 |
5.26431 |
0.53681 |
2.881 |
39.40577 |
39.630 |
0.192955 |
24.96 |
Measurement 2
Time [s] |
Force [mN] |
Mass [g] |
Lamella [mm] |
SFT [mN/m] |
Avg. [mN/m] |
Dev. [mN/m] |
Temp. [°C] |
35.66 |
5.48829 |
0.55965 |
2.721 |
41.21224 |
-- |
-- |
24.96 |
67.28 |
5.39974 |
0.55062 |
2.764 |
40.49728 |
-- |
-- |
24.95 |
99.63 |
5.34080 |
0.54461 |
2.779 |
40.02198 |
-- |
-- |
24.96 |
132.54 |
5.30157 |
0.54061 |
2.793 |
39.70588 |
-- |
-- |
24.95 |
165.86 |
5.27215 |
0.53761 |
2.764 |
39.46894 |
40.181 |
0.693100 |
24.96 |
197.56 |
5.25225 |
0.53558 |
2.827 |
39.30866 |
39.801 |
0.473115 |
24.96 |
230.70 |
5.23763 |
0.53409 |
2.808 |
39.19106 |
39.539 |
0.331717 |
24.96 |
262.96 |
5.22194 |
0.53249 |
2.803 |
39.06480 |
39.348 |
0.249541 |
24.96 |
295.81 |
5.20870 |
0.53114 |
2.810 |
38.95830 |
39.198 |
0.200561 |
24.97 |
328.59 |
5.19635 |
0.52988 |
2.789 |
38.85891 |
39.076 |
0.179218 |
24.95 |
Description of key information
39.4 (± 0.28) mN/m at 25°C and 183 ± 0.1 mg/L; OECD Guideline 115; RL1; no GLP
Key value for chemical safety assessment
- Surface tension:
- 39.4
- in mN/m at 20°C and concentration in mg/L:
- 183
Additional information
The surface tension of the substance was determined according to OECD guideline 115 using the ring method. At 25 °C the surface tension was determined to be 39.4 (± 0.28) mN/m.
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