Registration Dossier
Registration Dossier
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EC number: 700-801-1 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- April 2011
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study performed according to OECD/EU testing guideline, but not GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2009
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- ring method
Test material
- Reference substance name:
- Bottom product of propylene oxide and styrene production
- IUPAC Name:
- Bottom product of propylene oxide and styrene production
- Details on test material:
- - Name of test material (as cited in study report): KORE grade V
- Substance type: UVCB
- Physical state: Brown viscous liquid
- Stability under test conditions: months
- Storage condition of test material: room temperature
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 53.97 mN/m
- Temp.:
- 20 °C
- Conc.:
- 0.933 g/L
- Remarks on result:
- other: The solution was stirred at room temperature for 96 h. Subsequently the solution was filtered and diluted to 90 %.
Any other information on results incl. tables
Individual Results
As the water solubility of the test item was unknown, a solution of 0.1037 g in 100 ml water was prepared. The solution was stirred at room temperature for 96 h. Subsequently the solution was filtered and diluted to 90 %. The measurement of thesurface tension with the test itemwas carried out at 20 ±0.5°C.
Measurement |
1 |
2 |
3 |
4 |
5 |
6 |
Time (s) |
35 |
97 |
157 |
218 |
279 |
338 |
sigma(mN/m) |
53.90 |
54.00 |
54.01 |
54.00 |
53.97 |
53.96 |
Mean value: sigma = 53.97 mN/m (corrected byZuidema and Waters)
Due to the fact that the surface tension is lower than 60 mN/m, the test item has surface-active properties.Applicant's summary and conclusion
- Conclusions:
- Surface tension at 20 °C is sigma = 54.0 mN/m.
- Executive summary:
The surface tension of the aqueous solution at 20 °C is sigma = 54.0 mN/m.The test item has surface-active properties.
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