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EC number: 915-741-3 | CAS number: 25618-55-7
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- 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 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
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
Vapour pressure
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
Any other information on results incl. tables
Results of the isothermal TGA analysis
Temperature |
Weight loss |
νT |
logνT |
160 |
3.386 |
4.04^10-4 |
- 3.39 |
|
3.717 |
4.44^10-4 |
- 3.35 |
170 |
6.329 |
7.55^10-4 |
- 3.12 |
|
6.205 |
7.41^10-4 |
- 3.13 |
180 |
11.68 |
1.39^10-3 |
- 2.86 |
|
11.92 |
1.42^10-3 |
- 2.85 |
190 |
21.24 |
2.54^10-3 |
- 2.60 |
|
19.98 |
2.38^10-3 |
- 2.62 |
Applicant's summary and conclusion
- Conclusions:
- The isothermal thermogravimetric effusion method was chosen for the determination of the vapour pressure of Polyglycerol-3. The vapour pressure of the test substance at 20°C (293K) was 6.73 x 10E-6 Pa = 5.05 x 10E-8 mm Hg.
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