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EC number: 700-319-1 | CAS number: 117646-83-0
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- The study was conducted between 06 May 2015 and 15 October 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: 1= Reliable without restriction o GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Reference substance name:
- 2-{2-[(2-ethylhexyl)oxy]ethoxy}ethyl prop-2-enoate
- Cas Number:
- 117646-83-0
- Molecular formula:
- C15H28O4
- IUPAC Name:
- 2-{2-[(2-ethylhexyl)oxy]ethoxy}ethyl prop-2-enoate
- Test material form:
- other: liquid
- Details on test material:
- Identification:
M120
Appearance/Physical State:
Clear colorless liquid
Batch:
NC-5635-01
Purity:
99.4%
Expiry Date:
05 December 2015
Storage Conditions:
Room temperature, in the dark
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 48.7 mN/m
- Temp.:
- 21.3 °C
- Conc.:
- 90 vol%
- Remarks on result:
- other: ±0.5 mN/m
Any other information on results incl. tables
Results
The readings, times and temperatures for the sample solutions are shown in the following tables:
Sample 1
Time (mins) |
Reading (mN/m) |
Temperature (°C) |
106 |
48.5 |
21.2 |
120 |
48.5 |
21.2 |
130 |
48.5 |
21.4 |
152 |
49.0 |
21.4 |
160 |
48.5 |
21.4 |
Sample 2
Time (mins) |
Reading (mN/m) |
Temperature (°C) |
189 |
49.0 |
21.2 |
200 |
49.0 |
21.2 |
210 |
48.5 |
21.2 |
224 |
48.5 |
21.2 |
241 |
48.5 |
21.2 |
Mean Sample 1 result: 48.6 mN/m
pH of Sample 1: 7.0
Mean Sample 2 result: 48.7 mN/m
pH of Sample 2: 7.0
Mean result:48.7 ± 0.5 mN/m
Discussion
According to criteria mentioned in Method A5, test items showing a surface tension lower than 60 mN/m under the conditions of this method should be regarded as being surface active.
Applicant's summary and conclusion
- Conclusions:
- The mean surface tension of 90 % saturated solutions of test item in water has been determined to be 48.7 ± 0.5 mN/m at 21.3 ± 0.5 °C. The test item was considered to be surface active.
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