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EC number: 480-410-8 | CAS number: 13482-23-0
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:
- 2006-06-07 to 2006-09-07
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 1992
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1981
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 70.8 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 000 mg/L
- Conclusions:
- The surface tension of the test substance was 70.8 mN/m at 20°C.
- Executive summary:
The surface tension of the test substance was 70.8 mN/m at 20°C.
Reference
Validity criteria for the measurement of the surface tension:
| Target condition according to guideline OECD 115: | Actual condition according to the study: | Validity criteria met: |
| A solution of the substance is prepared in distilled water. The concentration of this solution should be 90 % of the saturation solubility of the substance in water; when this concentration exceeds 1 g/ L, a concentration of 1 g/ L is used for testing. | The test substance was determined to be miscible with water at any ratio (see "Water solubility"). A concentration of 1 g/ L was used for testing. | Yes |
| The measurement shall be made at approximately 20 °C and shall be controlled to within ± 0.5 °C. | The test temperature was 20 °C ± 0.5 °C. | Yes |
| The measurement results: individual readings, their arithmetic mean and the corrected mean; concentration of the solution should be stated. | The results are stated in sufficient detail (a correction factor (Harkins & Jordan) has already been accounted in the individual results). | Yes |
Description of key information
The surface tension of the test substance was 70.8 mN/m at 20°C.
Key value for chemical safety assessment
- Surface tension:
- 70.8
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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