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EC number: 451-060-3 | CAS number: 122886-55-9
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:
- September 10, 2003 - September 15, 2003
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- (1992)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: Mean of 6 measurements
- Conclusions:
- The vapour pressure of the substance is 1.5E-12 Pa (at 25 degrees Celsius), determined with the vapour pressure balance method in accordance with EU Method A.4 and GLP.
Reference
- The test material did not change in appearance during the 6 measurements
- Measurement 1:
Log Vp = -10725.568 / temperature in K + 22.058
Log Vp (25°C) = -13.916
- Measurement 2:
Log Vp = -10211.297 / temperature in K + 20.988
Log Vp (25°C) = -13.261
- Measurement 3:
Log Vp = -6473.586 / temperature in K + 12.668
Log Vp (25°C) = -9.045
- Measurement 4:
Log Vp = -7942.736 / temperature in K + 15.698
Log Vp (25°C) = -10.942
- Measurement 5:
Log Vp = -7737.545 / temperature in K + 15.207
Log Vp (25°C) = -10.745
- Measurement 6:
Log Vp = -9690.364 / temperature in K + 19.412
Log Vp (25°C) = -13.090
- Log Vp (25°C), mean of 6 measurements: -11.833
- Vp (25°C), mean of 6 measurements = 1.5E-12 Pa
Description of key information
The vapour pressure of the substance is 1.5E-12 Pa at 25 degrees Celsius.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
Determined with the vapour pressure balance method in accordance with EU Method A.4 and GLP.
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