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EC number: 418-480-9 | CAS number: 138526-69-9 1-BROM-3,4,5-TRIFLUORBENZOL; 1-BROMO-3,4,5-TRIFLUOROBENZENE
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:
- 03.04.1995 - 20.04.1995
- 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:
- Directive 92/69/EEC (Method A.4)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- isoteniscope
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 865 Pa
- Conclusions:
- The test item has been determined to have a vapour pressure of 865 Pa at 25 °C.
- Executive summary:
A study was conducted according to Directive 92/69/EEC method A.4 to determine the vapour pressure of the test item using the isoteniscope method. The vapour pressure of the test item was determined in 3 individual runs at temperatures between 86 and 145 °C. In the first run a fresh sample was boiled for 13 minutes and then measurements were taken in the selected temperature range. In the second run the sample from the first run was boiled for further 13 minutes and new measurements were performed. A fresh sample was boiled for 9 minutes in the third run and measurements were made accordingly. The vapour pressure was calculated from the three runs to be 865 Pa at 25 °C.
Reference
Summary of all runs
Run |
Log10 vapour pressure (Pa) at 25 °C |
1 |
2.943 |
2 |
2.939 |
3 |
2.929 |
Mean |
2.937 |
Vapour pressure = 865 Pa at 25 °C
Description of key information
The vapour pressure of the test item was determined to be 865 Pa at 25 °C (reference 4.6-1).
Key value for chemical safety assessment
- Vapour pressure:
- 865 Pa
- at the temperature of:
- 25 °C
Additional information
A study was conducted according to Directive 92/69/EEC method A.4 to determine the vapour pressure of the test item using the isoteniscope method. The vapour pressure of the test item was determined in 3 individual runs at temperatures between 86 and 145 °C. In the first run a fresh sample was boiled for 13 minutes and then measurements were taken in the selected temperature range. In the second run the sample from the first run was boiled for further 13 minutes and new measurements were performed. A fresh sample was boiled for 9 minutes in the third run and measuremetns were made accordingly. The vapour pressure was calculated from the three runs to be 865 Pa at 25 °C.
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