Registration Dossier
Registration Dossier
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EC number: 211-477-1 | CAS number: 647-42-7
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- publication
- Title:
- Vapor Pressure and Intramolecular Hydrogen Bonding in Fluorotelomer Alcohols
- Author:
- Krusic P, Marchione A, Davidson F, Kaiser M, Kao C, Richardson R, Botelho M, and Buck R
- Year:
- 2 005
- Bibliographic source:
- J. Phys. Chem. A, 109 (28), pp 6232–6241
Materials and methods
- Principles of method if other than guideline:
- Three methods: (1) Gas Saturation Method, (2) Scott Method, dynamic measurement of temperature at controlled pressure and (3) a novel method based on gas-phase NMR
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctan-1-ol
- EC Number:
- 211-477-1
- EC Name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctan-1-ol
- Cas Number:
- 647-42-7
- Molecular formula:
- C8H5F13O
- IUPAC Name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctan-1-ol
- Details on test material:
- Obtained by distillation of a mixture of fluorotelomer alcohols (>96%).
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 25 °C
- Vapour pressure:
- 18 Pa
- Remarks on result:
- other: Gas-phase NMR (Antoine)
- Temp.:
- 25 °C
- Vapour pressure:
- 44 Pa
- Remarks on result:
- other: Scott Method (Antoine)
- Temp.:
- 35 °C
- Vapour pressure:
- 108 Pa
- Remarks on result:
- other: Gas Saturation Method
Any other information on results incl. tables
T (°C) |
Vapour Pressure (kPa) |
Method |
35.0 |
0.108 |
Gas-saturation |
60.8 |
0.64 |
Scott |
72.5 |
1.40 |
Scott |
74.8 |
1.19 |
Gas-phase NMR |
85.2 |
2.99 |
Scott |
97.8 |
5.81 |
Scott |
99.2 |
5.04 |
Gas-phase NMR |
109.9 |
10.43 |
Scott |
121.3 |
17.24 |
Scott |
123.5 |
15.91 |
Gas-phase NMR |
136.0 |
31.03 |
Scott |
146.2 |
44.80 |
Scott |
147.6 |
38.81 |
Gas-phase NMR |
157.2 |
59.58 |
Gas-phase NMR |
158.1 |
66.85 |
Scott |
166.8 |
81.26 |
Gas-phase NMR |
171.3 |
100.62 |
Scott |
176.3 |
109.23 |
Gas-phase NMR |
--
Extrapolated Vapour Pressures at 25 °C (Pa) |
Clausius-Clapeyron Literature Value: 713 |
Literature Value Estimated by GC Method: 876 |
Scott Method (Antoine): 44 |
Gas-phase NMR (Antoine): 18 |
Applicant's summary and conclusion
- Conclusions:
- This study and the conclusions which are drawn from it fulfill the quality criteria (validity, reliability, repeatability).
- Executive summary:
Three methods were used to determine the vapour pressure of the test substance.
(1) Gas Saturation Method, (2) Scott Method, dynamic measurement of temperature at controlled pressure and (3) a novel method based on gas-phase NMR.
18 Pa at 25 °C (Gas-phase NMR)
44 Pa at 25 °C (Scott Method)
108 Pa at 35 °C (Gas Saturation Method)
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