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EC number: 204-145-2 | CAS number: 116-53-0
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- April 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: DIN-EN 13016-2
- GLP compliance:
- no
- Other quality assurance:
- other: The laboratory complied with a quality management system according to DIN EN ISO 9001 : 2008 and DIN EN ISO 14001 : 2009
- Type of method:
- static method
- Remarks:
- MiniVap (Fa. Grabner-Instruments)
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 168 Pa
- Remarks on result:
- other: extrapolated value based on experimental results
- Conclusions:
- Vapour pressure (DIN-EN 13016-2): 168 Pa at 20°C
- Executive summary:
The vapour pressure was determined following the static method according to guideline DIN-EN 13016-2 ("MiniVap" device, Co. Grabner-Instruments).
Vapour pressure: 168 Pa at 20°C (extrapolated value).
All study results reported here were obtained using valid test methods and calibrated instruments. Standard operation procedures comply with the company’s Quality Management System certified by Deloitte Cert Umweltgutachter GmbH (Registration Numbers Z1 056-0308 and Z1 057 -0308) according to DIN EN ISO 9001 : 2008 and DIN EN ISO 14001 : 2009.
Reference
The following regression equation was used to extrapolate to lower temperatures:
y = -2335.3x + 8.1906, R^2 = 0.9999
y: log P [hPa]
x: 1/T [°K]
This yields for 20°C a vapour pressure of 167.64 Pa.
The regression was based on the following experimental data:
| Temperature | Vapour pressure [hPa] |
| 115 °C | 150 |
| 120 °C | 178 |
| 125 °C | 211 |
| 130 °C | 249 |
| 135 °C | 293 |
| 140 °C | 345 |
| 145 °C | 403 |
| 150 °C | 473 |
Description of key information
Vapour pressure (DIN-EN 13016-2): 168 Pa at 20°C
Key value for chemical safety assessment
- Vapour pressure:
- 168 Pa
- at the temperature of:
- 20 °C
Additional information
The vapour pressure was determined following the static method according to guideline DIN-EN 13016-2 ("MiniVap" device, Co. Grabner-Instruments).
Vapour pressure: 168 Pa at 20°C (extrapolated value).
All study results reported here were obtained using valid test methods and calibrated instruments. Standard operation procedures comply with the company’s Quality Management System certified by Deloitte Cert Umweltgutachter GmbH (Registration Numbers Z1 056-0308 and Z1 057 -0308, last certified March 2015) according to DIN EN ISO 9001 : 2008 and DIN EN ISO 14001 : 2009.
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