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EC number: 915-741-3 | CAS number: 25618-55-7
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26 June - 28 August 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study was performed according to OECD and EC guidelines and according to GLP principles.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- 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:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- 1-(1,3-dihydroxypropoxy)propane-1,3-diol; 3-{3-[3-(2,3-dihydroxypropoxy)-2-hydroxypropoxy]-2-hydroxypropoxy}propane-1,2-diol; nonane-1,2,4,5,6,8,9-heptol
- EC Number:
- 915-741-3
- Cas Number:
- 25618-55-7
- Molecular formula:
- not applicable - multi-constituent substance
- IUPAC Name:
- 1-(1,3-dihydroxypropoxy)propane-1,3-diol; 3-{3-[3-(2,3-dihydroxypropoxy)-2-hydroxypropoxy]-2-hydroxypropoxy}propane-1,2-diol; nonane-1,2,4,5,6,8,9-heptol
- Reference substance name:
- Polyglycerol-3
- IUPAC Name:
- Polyglycerol-3
- Details on test material:
- - Name of test material (as cited in study report): Polyglycerol-3
- Substance type: organic liquid
- Physical state: Colourless to pale yellow viscous liquid
- Analytical purity:
27.9% Diglycerol
46.0% Triglycerol
17.9% Tetraglycerol
5.6% Pentaglycerol
2.6% Hexaglycerol and higher
- Purity test date: no data
- Lot/batch No.: RBA081008A
- Expiration date of the lot/batch: 31 May 2010
- Stability under test conditions: stabile
Constituent 1
Constituent 2
Results and discussion
Surface tension
- Surface tension:
- 73 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
Surface tension of the test substance
Measurement |
Time passed [minutes] |
Surface tension |
||
individual |
mean |
mean multiplied by |
||
1 |
15 |
70.7 |
70.9 |
73.0 |
2 |
16 |
70.9 |
|
|
3 |
17 |
71.0 |
|
|
4 |
18 |
70.8 |
|
|
5 |
19 |
70.9 |
|
|
Applicant's summary and conclusion
- Conclusions:
- The OECD harmonized ring method was used for the determination of the surface tension of Polyglycerol-3.
The surface tension of a test solution at a concentration of 1 g/l at 20°C was 73.0 mN/m. According to this, the test substance is considered not to be surface active.
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