Registration Dossier
Registration Dossier
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EC number: 275-702-5 | CAS number: 71617-10-2
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:
- 2010-04-21
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- no
- Type of method:
- plate method
- Surface tension:
- ca. 68.4 mN/m
- Temp.:
- 25 °C
- Conc.:
- 0.6 mg/L
- Conclusions:
- The surface tension of the test substance was 68.4 ± 0.6 mN/m at 25°C.
- Executive summary:
The surface tension of the test substance was investigated using plate method in accordance with EU guideline A5. Using this method the surface tension of the test substance was determined to be 68.4 ± 0.6 mN/m at a concentration of 0.6 mg/L and at temperature of 25°C.
Reference
Description of key information
The surface tension of Isopentyl p-methoxycinnamate was 68.4 mN/m at 25°C and a concentration of 0.6 mg/L
Key value for chemical safety assessment
- Surface tension:
- 68.4
- in mN/m at 20°C and concentration in mg/L:
- 0.6
Additional information
The surface tension of the test substance was measured using a Kruss K12 tensiometer in accordance with EU method A5 (plate method). The test was performed on solutions of test substance at 90% of the saturation concentration in duplicate. The surface tension of the 90% saturation test solutions 1 and 2 was 68.22 mN/m and 68.61 mN/m, respectively. The mean surface tension was 68.4±0.5 mN/m. For calibration, the surface tension of Milli Q water was measured at 72.28 mN/m at 24.8°C. As this value did not deviate by more than ±0.5 mN/m from the literature value of 71.90 mN/m, the calibration was considered to be successful.
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