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EC number: 941-628-3 | CAS number: 1263184-87-7
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 Dec 2014 to 10 Dec 2014
- 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:
- March 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- August 1996
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: Council Regulation (EC) No 440/2008, Official Journal of the European Union, L 142
- Version / remarks:
- May 2008
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- gas saturation method
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0.002 other: mPa
- Temp.:
- 20 °C
- Vapour pressure:
- 0.001 other: mPa
- Conclusions:
- The vapour pressure of test substance was 0.00169 mPa at 25 °C.
- Executive summary:
The vapour pressure of the test item was determined by the gas saturation method in accordance with OECD TG 104 and in compliance with GLP. The vapour pressure of the test item, measured at 25 °C, was 0.00169 mPa.
Reference
The results of the experiments have been summarized in the table below.
Test |
Volume N2 |
*Amount collected (µg) in 1st trap |
*Amount collected (µg) in 2nd trap |
Trapping Efficiency (%) |
Total amount collected (µg) |
Vapour pressure |
60.0 60.0 60.0 70.0 70.0 70.0 80.0 80.0 80.0 |
0.16947 0.19825 0.22383 0.03816 0.04415 0.05387 0.00875 0.01046 0.01324 |
23.756 27.321 29.765 17.214 19.212 26.322 27.707 31.482 40.085 |
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 |
100 100 100 100 100 100 100 100 100 |
23.756 27.321 29.765 17.214 19.212 26.322 27.707 31.482 40.085 |
1.219 1.199 1.157 3.923 3.785 4.249 27.533 26.177 26.341 |
Vapour Pressure Curve of the test item
Log p (mPa) = - 7922.9 X 1/T + 23.803
From a fit of measurements between 60 °C and 80 °C (r = 0.989131)
Vapour pressure at 20°C : 6.0 x 10-4mPa
Vapour pressure at 25°C : 16.9 x 10-4mPa
(extrapolation from the vapour pressure curve)
Description of key information
0.00169 mPa at 25 °C, OECD 104, gas saturation method, Vijayakumar 2014
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
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