Registration Dossier
Registration Dossier
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EC number: 605-495-2 | CAS number: 167948-98-3
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:
- 28.11.03 - 09.02.04
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
- Key result
- Surface tension:
- 61.4 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1.24 mg/L
- Conclusions:
- The mean surface tension of the test item was determined to be 61.4 mN/m, at a temperature of 20 °C. According to the EC Directive the test item is not surface active because its surface tension is above 60 mN/m.
- Executive summary:
A study was conducted according to Regulation (EC) No 440/2005 Part A, A.5 to determine the surface tension of an aqueous solution of the test item using the ring method. The investigation was performed at 20 °C with a solution of 1.24 mg/L. The mean surface tension of the test item was determined to be 61.4 mN/m.
Reference
Three individual experiments were performed, where to following results were obtained:
61.29 mN/m, 61.38 mN/m and 61.38 mN/m
The meand surface tension was calculated to be 61.4 mN/m
Description of key information
The mean surface tension of the test item was determined to be 61.4 mN/m, at a temperature of 20 °C. According to the EC Directive the test item is not surface active because its surface tension is above 60 mN/m (reference 4.10 -1).
Key value for chemical safety assessment
- Surface tension:
- 61.4
- in mN/m at 20°C and concentration in mg/L:
- 1.24
Additional information
A study was conducted according to Regulation (EC) No 440/2005 Part A, A.5 to determine the surface tension of an aqueous solution of the test item using the ring method. The investigation was performed at 20 °C with a solution of 1.24 mg/L. The mean surface tension of the test item was determined to be 61.4 mN/m.
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