Registration Dossier
Registration Dossier
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EC number: 222-048-3 | CAS number: 3327-22-8
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:
- 1997-10-31 - 1997-12-16
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- Directive 92/69/EEC, A.5.
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Surface tension:
- 72.8 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- A surface tension value of 72.8 mN/m (c=1.0 g/L, at 20.0 °C) was determined in a reliable study conducted according to EU method A. 5. The test item is not classified as surfactant.
- Executive summary:
A surface tension value of 72.8 mN/m (c=1.0 g/L, at 20.0 °C) was determined in a reliable study conducted according to EU method A.5. The test item is not classified as surfactant.
Reference
The measured values in dependence on time are summarized in the following table.
test no. |
time [min] |
measured value [mN/m |
1 |
0 |
72.4 |
2 |
5 |
72.3 |
3 |
10 |
72.3 |
4 |
20 |
72.3 |
5 |
35 |
72.3 |
6 |
65 |
72.4 |
7 |
125 |
72.3 |
8 |
185 |
72.4 |
9 |
215 |
72.4 |
10 |
245 |
72.3 |
The measured values showed no time dependence.
Mean value: 72.3 mN/m
Mean value with calibration factor: 72.8 mN/m
The test item is not a surfactant.
Description of key information
A surface tension value of 72.8 mN/m was determined at 20 °C and a concentration of 0.1 g/L.
Key value for chemical safety assessment
- Surface tension:
- 72.8
- in mN/m at 20°C and concentration in mg/L:
- 100
Additional information
The test substance is not considered to be surface active.
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