Registration Dossier
Registration Dossier
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EC number: 258-420-7 | CAS number: 53185-52-7
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:
- 07 October 2011
- 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:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 70.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension at 20°C of a 1 g/L aqueous solution of the substance was determined to be 70.5 mN/m.
- Executive summary:
Using the ring method in a GLP study according to EC A.5 and OECD 115, the surface tension at 20°C of an aqueous solution of the substance at 1 g/L was determined to be 70.5 mN/m. According to the EC A.5 guideline the substance is not surface active.
Reference
| Surface tension (mN/m) | Equilibrium time [sec] * |
| 65.5 | 240 |
| 69.8 | 300 |
| 70.2 | 360 |
70.2 |
360 |
70.2 |
360 |
70.2 |
360 |
70.2 |
360 |
| 70.2 | 360 |
* time after transferring the solution to the vessel until measuring the surface tension of the solution
Mean of last 5 measurements: 70.2 mN/m
Mean multiplied by the calibration factor followed by correction according to Harkins-Jordan: 70.5 mN/m
Description of key information
Surface tension at 20°C for an aqueous solution at 1 g/L: 70.5 mN/m (EC A.5, OECD 115: ring method)Key value for chemical safety assessment
- Surface tension:
- 70.5
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
According to the EC A.5 guideline the substance is not surface active.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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