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EC number: 701-039-2 | CAS number: 156324-78-6
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:
- 1994-10-7 to 1994-10-8
- 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:
- 1981
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed 1994-03-16
- Type of method:
- effusion method: vapour pressure balance
- Temp.:
- 25 °C
- Vapour pressure:
- 0.01 Pa
- Remarks on result:
- other: measured value, mean of 5 runs
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.006 Pa
- Remarks on result:
- other: extrapolated value
- Temp.:
- 12 °C
- Vapour pressure:
- 0.003 Pa
- Remarks on result:
- other: extrapolated value
- Conclusions:
- According to Council Directive 92/69/EEC A.4. Vapour Pressure and OECD Guideline 104 (1981), the vapour pressure of the test item at 25 °C was measured at 0.01024 Pa. The value at 20 °C is extrapolated to 0.00581 Pa and the value at 12 °C is extrapolated to 0.00294 Pa.
Reference
Run |
Vapour pressure (Pa) at 25 °C |
1 |
2.129 x 10-2 |
2 |
8.311 x 10-3 |
3 |
2.176 x 10-3 |
4 |
1.091 x 10-2 |
5 |
8.529 x 10-3 |
mean |
1.024 x 10-2 |
The values for 12 and 20 °C are calculated by the submitter.
Description of key information
The vapour pressure of the test item was determined to be 0.01024 Pa at 25 °C (mean value of 5 determinations). The value at 20 °C is extrapolated to 0.00581 Pa and the value at 12 °C is extrapolated to 0.00294Pa.
Key value for chemical safety assessment
- Vapour pressure:
- 0.006 Pa
- at the temperature of:
- 20 °C
Additional information
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.
