Registration Dossier
Registration Dossier
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EC number: 700-067-2 | CAS number: 931419-77-1
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:
- 2008-09-17 to 2008-10-17
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1981
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- EEC Directive 92/96, Annex, Part A
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- plate method
- Key result
- Surface tension:
- 31.71 mN/m
- Temp.:
- 19.9 °C
- Remarks on result:
- other: A saturated solution of the test item was diluted to 90 %.
- Conclusions:
- The mean surface tension of the test item is 31.71 mN/m at 19.9 °C.
- Executive summary:
A study was conducted according to EU-Method A.5 as of September 1993 and OECD Guideline No. 115 dated 12 May 1981 to determine the surface tension of an aqueous solution of the test item using the plate method. Due to the low solubility of the test item a saturated solution was prepared and diluted to 90 %. In dependence on time (70 min) no significant variations of the surface tension were observed. The mean surface tension of the test item is 31.71 mN/m at 19.9 °C.
Reference
During the specified period of time (70 minutes), no significant changes in the surface tension were detected. In dependence on time and temperature, values between 31.18 and 32.91 mN/m were recorded showing no significant variations. The mean surface tension was determined to be 31.71 mN/m.
Description of key information
The mean surface tension of the test item is 31.71 mN/m at 19.9 °C.
Key value for chemical safety assessment
- Surface tension:
- 31.71
Additional information
A study was conducted according to EU-Method A.5 as of September 1993 and OECD Guideline No. 115 dated 12 May 1981 to determine the surface tension of an aqueous solution of the test item using the plate method. Due to the low solubility of the test item a saturated solution was prepared and diluted to 90 %. In dependence on time (70 min) no significant variations of the surface tension were observed. The mean surface tension of the test item is 31.71 mN/m at 19.9 °C. According to Regulation (EC) No. 440/2008 Part A. Method A.5 substances showing a surface tension lower than 60 mN/m under the conditions of method A.5 should be regarded as being surface active materials. Thus, the test item is regarded as surface active material.
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