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EC number: 701-127-0 | CAS number: -
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:
- 2013-01-21 to 2013-01-22
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection 2012-07-10; Date 2012-11-30
- Type of method:
- effusion method: vapour pressure balance
- Temp.:
- 25 °C
- Vapour pressure:
- > 0.313 Pa
- Remarks on result:
- other: A final sequence of ten runs could not be performed due to the highly corrosive nature of the test material
- Conclusions:
- Vapour pressure was determined to be > 0.313 Pa at 25 °C using the vapour pressure balance method.
Reference
- Recorded temperatures, mass differences and the resulting calculated values of vapour pressure are shown in Table 1 (attached) and Figure 3.2 (attached).
- The appearance of the test material changed under the conditions of the determination and a small amount of dark brown viscous liquid remained at the end of the preliminary run.
- The highly corrosive nature of the test material prevented full testing because the substance attacked several components of the test apparatus during the degassing period and the preliminary run.
- Further testing could not be performed and a greater than value was quoted for vapour pressure.
SUMMARY OF VAPOUR PRESSURE DATA
Run |
Log10 [Vp (25°C) |
Preliminary |
-0.504 |
Mean |
-0.504 |
Vapour pressure |
0.0313 Pa |
Description of key information
Vapour pressure > 0.313 Pa at 25 °C (OECD 104)
Key value for chemical safety assessment
- Vapour pressure:
- 0.313 Pa
- at the temperature of:
- 25 °C
Additional information
The highly corrosive nature of the test material prevented full testing.
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