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EC number: 701-043-4 | 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
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to international guideline(s), GLP-compliant, performed in recognized contract research organization, no restrictions, fully adequate for assessment.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
- Key result
- Surface tension:
- 45.7 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % saturated aqueous solution
- Conclusions:
- The test substance is considered to be surface active (surface tension <60 mN/m).
Reference
Equilibrium time* (sec) |
Surface tension (mN/m) |
260 |
47.0 |
270 |
47.2 |
260 |
47.2 |
260 |
47.2 |
260 |
47.2 |
Mean |
47.2 |
Harkins-Jordan* corrected value |
45.7 |
* time after transferring the solution to the vessel until measuring the surface tension of the solution
Description of key information
45.7 mN/m (90% satuarated aqueous solution at 20°C) (OECD 115, EC A.5)
Key value for chemical safety assessment
- Surface tension:
- 45.7
Additional information
Value determined in 90% saturated aqueous solution.
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