Registration Dossier
Registration Dossier
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EC number: 261-699-8 | CAS number: 59323-76-1
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:
- 12-05-2014 to 12-08-2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study performed under GLP. All relevant validity criteria were met.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected: March 2013; signature: May 2013
- Type of method:
- ring method
- Surface tension:
- 60.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Remarks on result:
- other: mean determined surface tension, multiplied by Φb (calibration factor) and with Harkins-Jordan correction
- Conclusions:
- The surface tension of a test solution at 90% saturation in water has been determined to be 60.5 mN/m at 20.0 ± 0.5 °C. The substance is considered not to be surface-active.
- Executive summary:
The surface tension was determined using the ring method of EU Method A.5 and OECD 115 under GLP. Substances showing a surface tension lower than 60 mN/m under the conditions of this method, should be regarded as being surface active. The surface tension of a test solution at 90% of the test substance saturation solubility in water has been determined to be 60.5 mN/m at 20.0 ± 0.5 °C. The substance is considered not to be a surface-active.
Reference
Surface tension of the test substance
Measurement |
Time passed [minutes] |
Surface tension [mN/m] |
||
individual |
mean #1 |
mean multiplied by Φb and Harkins-Jordan corrected value |
||
1 2 3 4 5 6 7 8 9 10 11 12 13 14 |
15 16 17 18 27 27 29 29 30 30 31 32 32 33 |
61.4 61.6 61.4 61.2 60.2 60.5 61.4 61.3 62.1 61.2 61.2 61.4 61.3 61.2 |
61.3 |
60.5 |
#1 Mean calculated from measurements 10 to 14, after equilibrium was reached
Description of key information
Surface Tension: 60.5 mN/m at 20.0 ± 0.5 °C in 90% saturated solution, EU Method A.5, 2014
Key value for chemical safety assessment
Additional information
The surface tension was determined using the ring method of EU Method A.5 and OECD 115 under GLP. Substances showing a surface tension lower than 60 mN/m under the conditions of this method, should be regarded as being surface active. The surface tension of a test solution at 90% of the test substance saturation solubility in water has been determined to be 60.5 mN/m at 20.0 ± 0.5 °C. The substance is considered not to be a 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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