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EC number: 812-877-4 | CAS number: 1228350-17-1
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Remarks:
- (The study was conducted according to the test guideline in effect at the time of study conduct)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Remarks:
- (The study was conducted according to the test guideline in effect at the time of study conduct)
- GLP compliance:
- yes
- Type of method:
- other: isothermal thermogravimetric effusion
Test material
- Reference substance name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl methacrylate
- EC Number:
- 218-407-9
- EC Name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl methacrylate
- Cas Number:
- 2144-53-8
- Molecular formula:
- C12H9F13O2
- IUPAC Name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl methacrylate
- Details on test material:
- - Purity: 99.7%
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 25 °C
- Vapour pressure:
- 8.6 Pa
- Temp.:
- 20 °C
- Vapour pressure:
- 4.2 Pa
Any other information on results incl. tables
The equation of the curve was: log PT,20 = -5322 x 1/T + 18.78 (r = 0.996, n = 8).
Results of the Isothermal TGA Analysis
Temperature [°C] |
Weight loss [μg/min] |
νT [g/cm2/h] |
log νT |
log PT |
PT [Pa] |
30 |
16.92 |
2.02E-03 |
-2.69 |
1.22 |
1.70E+01 |
15.47 |
1.85E-03 |
-2.73 |
1.18 |
1.50E+01 |
|
35 |
32.24 |
3.85E-03 |
-2.41 |
1.55 |
3.50E+01 |
31.25 |
3.73E-03 |
-2.43 |
1.53 |
3.40E+01 |
|
40 |
54.9 |
6.55E-03 |
-2.18 |
1.82 |
6.50E+01 |
52.21 |
6.23E-03 |
-2.21 |
1.79 |
6.20E+01 |
|
45 |
85.71 |
1.02E-02 |
-1.99 |
2.04 |
1.10E+02 |
83.71 |
9.99E-03 |
-2 |
2.03 |
1.10E+02 |
Vapour Pressures
| Temperature [°C] | log PT | PT [Pa] | PT [mm Hg] |
| 20 | 0.63 | 4.2 | 0.032 |
| 25 | 0.93 | 8.6 | 0.064 |
Applicant's summary and conclusion
- Conclusions:
- 4.2 Pa at 20 °C, 8.6 Pa at 25 °C
- Executive summary:
The vapour pressures of the test substance at 20°C and 25°C were 4.2 Pa and 8.6 Pa, respectively, according to OECD Guideline 104 and the isothermal thermogravimetric effusion method.
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