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EC number: 618-829-7 | CAS number: 922165-31-9
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 28 March-27 June 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant study according to guideline
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- (1995)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- (OJEU no. L142, May 31, 2008)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- 1,4-bis[2-(2-ethoxyethoxy)ethyl] cyclohexane-1,4-dicarboxylate
- EC Number:
- 618-829-7
- Cas Number:
- 922165-31-9
- Molecular formula:
- C20H36O8
- IUPAC Name:
- 1,4-bis[2-(2-ethoxyethoxy)ethyl] cyclohexane-1,4-dicarboxylate
- Details on test material:
- Identification: Neosolue-Aqulio
Molecular formula: C20H36O8
Molecular weight: 404.5
CAS Number: 922165-31-9
Description: Clear colourless to very pale yellow liquid
Batch: TVI-714
Purity: 99.5% (GC)
Test substance storage: At room temperature in the dark
Stability under storage conditions: Stable
Expiry date: 07 October 2012 (Retest date)
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 61.4 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
The results of the test on the determination of the surface tension of the test solution are given in the Table below.
Measurement |
Time passed [minutes] |
Surface tension |
||
individual |
mean |
mean multiplied by |
||
1 |
20 |
59.9 |
60.9(A) |
61.4 |
2 |
21 |
60.7 |
|
|
3 |
22 |
60.9 |
|
|
4 |
23 |
60.8 |
|
|
5 |
24 |
61.0 |
|
|
6 |
25 |
61.1 |
|
|
(A)Mean calculated from measurements 2 to 6, after equilibrium was reached.
Applicant's summary and conclusion
- Conclusions:
- Using the OECD harmonized ring method, the surface tension of a test solution at a concentration of 1 g/l in water and at 20°C was determined as 61.4 mN/m. According to this, the test substance is considered not to be surface active.
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