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EC number: 208-654-0 | CAS number: 537-00-8
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:
- 27 July 2017 to 05 August 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- 2009
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: by loss of weight or by trapping vaporisate
- Key result
- Temp.:
- 180 °C
- Vapour pressure:
- < 0.001 Pa
- Remarks on result:
- other: This value of 10^-3 Pa corresponds to the minimal limit of pressure determined by the apparatus.
- Conclusions:
- Under the conditions of this study, the vapour pressure of the test material was considered to be lower than 10^-3 Pa at 180 °C and as a consequence largely lower than 10^-3 Pa at 20 °C.
- Executive summary:
The vapour pressure of the test material was determined in accordance with the standardised guidelines OECD 104 and EU Method A.4 under GLP conditions using dynamic vapour pressure effusion apparatus.
No degradation of the test material was observed. The aspect of the test material remained stable after the assays. No reliable loss of mass was recorded during the assays. The temperature was not increased higher than 180 °C. The vapour pressure of the test material was considered to be lower than 10^-3 Pa at 180 °C, this value of 10^-3 Pa corresponds to the minimal limit of pressure determined by the apparatus.
Under the conditions of this study, the vapour pressure of the test material was considered to be lower than 10^-3 Pa at 180 °C and as a consequence largely lower than 10^-3 Pa at 20 °C.
Reference
Table 1: Table to show the mass of sample weighed for each assay
Assay No. |
Test temperature (°C) |
Mass of test material (mg) |
Knudsen effusion cell aperture size (μm) |
Taken into account or not |
1 |
85 |
18.94 |
279.9 |
No (No reliable loss of mass) |
2 |
100 |
18.94 |
No (No reliable loss of mass) |
|
3 |
110 |
18.94 |
No (No reliable loss of mass) |
|
4 |
125 |
18.94 |
No (No reliable loss of mass) |
|
5 |
150 |
18.94 |
No (No reliable loss of mass) |
|
6 |
180 |
18.94 |
No (No reliable loss of mass) |
- No degradation of the test material was observed. The aspect of the test material remained stable after the assays.
- No reliable loss of mass was recorded during the assays. The temperature was not increased higher than 180 °C. The vapour pressure of the test material was considered to be lower than 10^-3 Pa at 180 °C and as a consequence largely lower than 10^-3 Pa at 20 °C.
- This value of 10^-3 Pa corresponds to the minimal limit of pressure determined by our apparatus.
Description of key information
Under the conditions of this study, the vapour pressure of the test material was considered to be lower than 10^-3 Pa at 180 °C and as a consequence largely lower than 10^-3 Pa at 20 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0.01 Pa
- at the temperature of:
- 180 °C
Additional information
The vapour pressure of the test material was determined in accordance with the standardised guidelines OECD 104 and EU Method A.4 under GLP conditions using dynamic vapour pressure effusion apparatus. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
No degradation of the test material was observed. The aspect of the test material remained stable after the assays. No reliable loss of mass was recorded during the assays. The temperature was not increased higher than 180 °C. The vapour pressure of the test material was considered to be lower than 10^-3 Pa at 180 °C, this value of 10^-3 Pa corresponds to the minimal limit of pressure determined by the apparatus.
Under the conditions of this study, the vapour pressure of the test material was considered to be lower than 10^-3 Pa at 180 °C and as a consequence largely lower than 10^-3 Pa at 20 °C.
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