Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- from 12 June 2017 to 27 July 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- Sebacic acid, compound with 2-aminoethanol (1:2)
- Molecular formula:
- C10H18O4.2(C2H7NO)
- IUPAC Name:
- Sebacic acid, compound with 2-aminoethanol (1:2)
- Test material form:
- solid: particulate/powder
- Details on test material:
- Physical appearance: Off-white to pale yellow powder
Storage conditions: At room temperature
Constituent 1
Results and discussion
Surface tension
- Key result
- Surface tension:
- 72.3 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
Table: Surface tension measurements
Measurement |
Time passed after transfer test solution to test vessel |
Surface tension |
||
individual |
mean (1) |
mean (2) |
||
1 |
16 |
68.4 |
72.9 |
72.3 |
2 |
17 |
71.2 |
|
|
3 |
18 |
73.9 |
|
|
4 |
19 |
74.0 |
|
|
5 |
20 |
73.0 |
|
|
6 |
21 |
72.8 |
|
|
7 |
22 |
72.7 |
|
|
8 |
23 |
72.9 |
|
|
9 |
24 |
72.9 |
|
|
(1) Mean calculated from measurements 5 to 9, after equilibrium was reached.
(2) Multiplied by the calibration factor and Harkins-Jordan corrected.
Applicant's summary and conclusion
- Conclusions:
- The surface tension of an aqueous substance solution at 1 g/L was determined to be 72.3 mN/m (at 20°C).
- Executive summary:
Using the OECD harmonized ring method in a GLP study according to EC A.5 and OECD 115, the surface tension of an aqueous substance solution at 1 g/L was determined to be 72.3 mN/m (at 20°C). According to the EC A.5 guideline the substance is not surface active.
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