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EC number: - | CAS number: 1309389-73-8
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:
- 2016-05-30 to 2016-06-02
- 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:
- 2008
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- effusion method: vapour pressure balance
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: calculated by extrapolation of the measured vapour pressure
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: calculated by extrapolation of the measured vapour pressure
- Temp.:
- 50 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: calculated by extrapolation of the measured vapour pressure
- Conclusions:
- According to OECD Guideline 104 (2006) and Regulation (EC) No 440/2008 Method A.4, the vapour pressure of the substance was calculated by extrapolation of the measured vapour pressure curve for the following temperatures:
20 °C: 3.8 ×10-11 Pa
25 °C: 1.3 ×10-10 Pa
50 °C: 2.7 ×10-8 Pa
Reference
Effusion method: Vapour pressure balance
No. |
Temperature / °C |
Vapour pressure / Pa |
1 |
118 |
1.64 ×10-3 |
2 |
123 |
3.38 ×10-3 |
3 |
128 |
7.51 ×10-3 |
4 |
133 |
1.27 ×10-2 |
5 |
138 |
2.53 ×10-2 |
6 |
143 |
3.86 ×10-2 |
7 |
148 |
7.39 ×10-2 |
8 |
153 |
1.36 ×10-1 |
From the measured data points of the vapour pressure curve the constants A and B of the Antoine equation (log10p = A + (B/ C+ϑ)) can be derived by regression of the data points to A = 20.1786; B = -8968.60; C = 273.15; ϑ = temperature in °C.
The vapour pressure of the test item was calculated by extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C.
Description of key information
The vapour pressure of the substance was calculated by extrapolation of the measured vapour pressure curve for the temperatures
20 °C: 3.8E-11 Pa
25 °C: 1.3E-10 Pa
50 °C: 2.7E-8 Pa
Key value for chemical safety assessment
- Vapour pressure:
- 0 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.
