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EC number: 618-848-0 | CAS number: 92413-47-3
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:
- 04.12.91 - 23.05.92
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- effusion method: Knudsen cell
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.004 Pa
- Key result
- Temp.:
- 100 °C
- Vapour pressure:
- 20 Pa
- Key result
- Temp.:
- 50 °C
- Vapour pressure:
- 0.1 Pa
- Conclusions:
- The vapour pressure of the test item was determined to be 0.004 Pa (20 °C), 0.1 Pa (50 °C) and 20 Pa (100 °C).
- Executive summary:
A study was performed according to EU method A.4 in order to determine the vapour pressure of the test item by using the effusion method. The vapour pressure was measured by determining the boiling point of the test item at various temperatures. The vapour pressures of the test item at 20, 50 and 100 °C determined to be: 0.004 (20 °C), 0.1 Pa (25 °C) and 20 Pa (100 °C).
Reference
Individual results
Vapour pressure at 293K
Measurement |
Vapour Pressure/Pa |
1st |
0.0023 |
2nd |
0.0044 |
3rd |
0.0053 |
Vapour pressure at 323K
Measurement |
Vapour Pressure/Pa |
1st |
0.11 |
2nd |
0.16 |
3rd |
0.16 |
Vapour pressure at 373K
Measurement |
Vapour Pressure/Pa |
1st |
17 |
2nd |
17 |
3rd |
13 |
Description of key information
The vapour pressure of the test item was determined to be 0.004Pa (20 °C), 0.1 Pa (50 °C) and 20 Pa (100 °C) using the effusion method.
Key value for chemical safety assessment
- Vapour pressure:
- 0.004 Pa
- at the temperature of:
- 20 °C
Additional information
A study was performed according to EU method A.4 in order to determine the vapour pressure of the test item by using the effusion method. The vapour pressure was measured by determining the boiling point of the test item at various temperatures. The vapour pressures of the test item at 20, 50 and 100 °C determined to be: 0.004 Pa (20 °C), 0.1 Pa (25 °C) and 20 Pa (100 °C). (reference 4.6-1).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
