Registration Dossier
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EC number: 212-214-3 | CAS number: 769-78-8
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 27 Nov 2008 - 02 Feb 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
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:
- EU Method A.4 (Vapour Pressure)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- GLP compliance:
- no
- Type of method:
- dynamic method
Test material
- Reference substance name:
- Vinyl benzoate
- EC Number:
- 212-214-3
- EC Name:
- Vinyl benzoate
- Cas Number:
- 769-78-8
- Molecular formula:
- C9H8O2
- IUPAC Name:
- vinyl benzoate
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0.053 hPa
- Temp.:
- 25 °C
- Vapour pressure:
- 0.094 hPa
- Temp.:
- 50 °C
- Vapour pressure:
- 1 hPa
Any other information on results incl. tables
Results
Vapour pressure was measured with the dynamic method in the temperature
range of 83 to 205 °C.
Table 1 – Measured vapour pressure
Temperature [°C] |
Vapour pressure [hPa] |
82.7 |
10.0 |
102.6 |
29.9 |
115.3 |
45.1 |
117.6 |
60.0 |
130.3 |
99.7 |
138.0 |
124.0 |
163.5 |
299.2 |
179.2 |
499.7 |
196.9 |
693.3 |
204.6 |
883.5 |
The values for 20, 25 and 50 °C are calculated, using the Antoine constants as shown in Table 2.
Table 2 – Extrapolated vapour pressures
T [°C] |
p [hPa] |
p [Pa] |
20 |
5.3E-02 |
5.3 |
25 |
9.4E-02 |
9.4 |
50 |
1.0 |
104 |
Applicant's summary and conclusion
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