Registration Dossier
Registration Dossier
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EC number: 246-002-7 | CAS number: 24057-28-1
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:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- May 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- July 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 72.4 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The test substance is not considered to be surface active (surface tension >60 mN/m).
Reference
Table 1. Measured surface tension values and equilibrium times |
|
Surface tension (mN/m) |
Time (sec) |
71.28 |
343 |
71.32 |
372 |
71.32 |
402 |
71.32 |
431 |
71.32 |
458 |
Overall mean surface tension = 71.3 mN/m
Calibration factor corrected value = 72.4 mN/m
Description of key information
72.4 mN/m (1 g/L aqueous solution at 20°C) (OECD 115, EC A.5)
Key value for chemical safety assessment
- Surface tension:
- 72.4
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The test substance is not considered to be surface active (surface tension >60 mN/m).
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