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EC number: 943-623-1 | CAS number: -
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:
- The study was conducted between 06 August 2014 and 08 August 2014.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study is considered to be a reliability 1 as it has been conducted according to OECD Test Guideline 104 using a vapor pressure balance method and in compliance with GLP.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 15 Pa
- Conclusions:
- The vapor pressure of the test item has been determined to be 15 Pa at 25 ºC.
- Executive summary:
The vapor pressure of the test substance, IFF 215 (Floriane) was determined to be 15 Pa at 25 ºC according to OECD Test Guideline 104 using a vapor pressure balance method.
Reference
Recorded temperatures, mass differences and the resulting calculated values of vapour pressure are shown in the following tables:
Run 1
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
-10 |
263.15 |
0.003800114 |
176.15 |
1.762E-07 |
0.244541329 |
-0.611647731 |
-9 |
264.15 |
0.003785728 |
222.56 |
2.226E-07 |
0.308970300 |
-0.510083266 |
-8 |
265.15 |
0.003771450 |
254.43 |
2.544E-07 |
0.353214025 |
-0.451962061 |
-7 |
266.15 |
0.003757280 |
288.12 |
2.881E-07 |
0.399984376 |
-0.397956973 |
-6 |
267.15 |
0.003743215 |
320.10 |
3.201E-07 |
0.444380809 |
-0.352244705 |
-5 |
268.15 |
0.003729256 |
364.38 |
3.644E-07 |
0.505852794 |
-0.295975847 |
-4 |
269.15 |
0.003715400 |
413.27 |
4.133E-07 |
0.573724639 |
-0.241296499 |
-3 |
270.15 |
0.003701647 |
471.23 |
4.712E-07 |
0.654187968 |
-0.184297448 |
-2 |
271.15 |
0.003687996 |
517.69 |
5.177E-07 |
0.718686351 |
-0.143460603 |
-1 |
272.15 |
0.003674444 |
591.30 |
5.913E-07 |
0.820875890 |
-0.085722500 |
0 |
273.15 |
0.003660992 |
646.56 |
6.466E-07 |
0.897590928 |
-0.046921546 |
A plot of Log10(vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 1 gives the following statistical data using an unweighted least squares treatment.
Slope: |
-3.91 x 103 |
Standard error in slope: |
100 |
Intercept: |
14.3 |
Standard error in intercept: |
0.375 |
The results obtained indicate the following vapor pressure relationship:
Log10(Vp (Pa)) = -3.91 x 103/temp(K) + 14.3
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 1.17.
Run 2
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
-10 |
263.15 |
0.003800114 |
183.59 |
1.836E-07 |
0.254869955 |
-0.593681357 |
-9 |
264.15 |
0.003785728 |
213.94 |
2.139E-07 |
0.297003531 |
-0.527238387 |
-8 |
265.15 |
0.003771450 |
241.73 |
2.417E-07 |
0.335583171 |
-0.474199827 |
-7 |
266.15 |
0.003757280 |
286.05 |
2.861E-07 |
0.397110686 |
-0.401088427 |
-6 |
267.15 |
0.003743215 |
318.86 |
3.189E-07 |
0.442659371 |
-0.353930337 |
-5 |
268.15 |
0.003729256 |
369.81 |
3.698E-07 |
0.513391025 |
-0.289551728 |
-4 |
269.15 |
0.003715400 |
414.97 |
4.150E-07 |
0.576084675 |
-0.239513678 |
-3 |
270.15 |
0.003701647 |
436.01 |
4.360E-07 |
0.605293585 |
-0.218033929 |
-2 |
271.15 |
0.003687996 |
508.52 |
5.085E-07 |
0.705956042 |
-0.151222340 |
-1 |
272.15 |
0.003674444 |
587.24 |
5.872E-07 |
0.815239570 |
-0.088714749 |
0 |
273.15 |
0.003660992 |
657.96 |
6.580E-07 |
0.913417048 |
-0.039330887 |
A plot of Log10(vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 2 gives the following statistical data using an unweighted least squares treatment.
Slope: |
-3.91 x 103 |
Standard error in slope: |
80.4 |
Intercept: |
14.3 |
Standard error in intercept: |
0.300 |
The results obtained indicate the following vapor pressure relationship:
Log10(Vp (Pa)) = -3.91 x 103/temp(K) + 14.3
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 1.16.
Run 3
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
-10 |
263.15 |
0.003800114 |
191.04 |
1.910E-07 |
0.265212464 |
-0.576406069 |
-9 |
264.15 |
0.003785728 |
212.57 |
2.126E-07 |
0.295101620 |
-0.530028406 |
-8 |
265.15 |
0.003771450 |
246.60 |
2.466E-07 |
0.342343979 |
-0.465537306 |
-7 |
266.15 |
0.003757280 |
275.92 |
2.759E-07 |
0.383047650 |
-0.416747197 |
-6 |
267.15 |
0.003743215 |
306.76 |
3.068E-07 |
0.425861471 |
-0.370731650 |
-5 |
268.15 |
0.003729256 |
365.66 |
3.657E-07 |
0.507629762 |
-0.294452924 |
-4 |
269.15 |
0.003715400 |
409.86 |
4.099E-07 |
0.568990686 |
-0.244894843 |
-3 |
270.15 |
0.003701647 |
428.91 |
4.289E-07 |
0.595436966 |
-0.225164207 |
-2 |
271.15 |
0.003687996 |
522.74 |
5.227E-07 |
0.725697045 |
-0.139244645 |
-1 |
272.15 |
0.003674444 |
559.30 |
5.593E-07 |
0.776451692 |
-0.109885559 |
0 |
273.15 |
0.003660992 |
659.97 |
6.600E-07 |
0.916207443 |
-0.038006184 |
A plot of Log10(vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 3 gives the following statistical data using an unweighted least squares treatment.
Slope: |
-3.83 x 103 |
Standard error in slope: |
81.8 |
Intercept: |
14.0 |
Standard error in intercept: |
0.305 |
The results obtained indicate the following vapor pressure relationship:
Log10(Vp (Pa)) = -3.83 x 103/temp(K) + 14.0
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 1.13.
Run 4
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
-10 |
263.15 |
0.003800114 |
190.77 |
1.908E-07 |
0.264837635 |
-0.577020299 |
-9 |
264.15 |
0.003785728 |
198.09 |
1.981E-07 |
0.274999670 |
-0.560667827 |
-8 |
265.15 |
0.003771450 |
244.26 |
2.443E-07 |
0.339095459 |
-0.469678026 |
-7 |
266.15 |
0.003757280 |
295.63 |
2.956E-07 |
0.410410180 |
-0.386781875 |
-6 |
267.15 |
0.003743215 |
300.12 |
3.001E-07 |
0.416643450 |
-0.380235441 |
-5 |
268.15 |
0.003729256 |
353.44 |
3.534E-07 |
0.490665271 |
-0.309214680 |
-4 |
269.15 |
0.003715400 |
411.67 |
4.117E-07 |
0.571503429 |
-0.242981159 |
-3 |
270.15 |
0.003701647 |
457.92 |
4.579E-07 |
0.635710278 |
-0.196740767 |
-2 |
271.15 |
0.003687996 |
512.68 |
5.127E-07 |
0.711731188 |
-0.147684003 |
-1 |
272.15 |
0.003674444 |
581.73 |
5.817E-07 |
0.807590278 |
-0.092808918 |
0 |
273.15 |
0.003660992 |
660.11 |
6.601E-07 |
0.916401799 |
-0.037914067 |
A plot of Log10(vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 4 gives the following statistical data using an unweighted least squares treatment.
Slope: |
-3.95 x 103 |
Standard error in slope: |
113 |
Intercept: |
14.4 |
Standard error in intercept: |
0.421 |
The results obtained indicate the following vapor pressure relationship:
Log10(Vp (Pa)) = -3.95 x 103/temp(K) + 14.4
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 1.18.
Run 5
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
-10 |
263.15 |
0.003800114 |
196.99 |
1.970E-07 |
0.273472589 |
-0.563086199 |
-9 |
264.15 |
0.003785728 |
196.92 |
1.969E-07 |
0.273375411 |
-0.563240552 |
-8 |
265.15 |
0.003771450 |
240.41 |
2.404E-07 |
0.333750673 |
-0.476577850 |
-7 |
266.15 |
0.003757280 |
288.66 |
2.887E-07 |
0.400734034 |
-0.397143771 |
-6 |
267.15 |
0.003743215 |
322.87 |
3.229E-07 |
0.448226279 |
-0.348502685 |
-5 |
268.15 |
0.003729256 |
368.04 |
3.680E-07 |
0.510933811 |
-0.291635357 |
-4 |
269.15 |
0.003715400 |
412.45 |
4.125E-07 |
0.572586269 |
-0.242159071 |
-3 |
270.15 |
0.003701647 |
463.51 |
4.635E-07 |
0.643470631 |
-0.191471270 |
-2 |
271.15 |
0.003687996 |
532.29 |
5.323E-07 |
0.738954892 |
-0.131382071 |
-1 |
272.15 |
0.003674444 |
587.03 |
5.870E-07 |
0.814948036 |
-0.088870082 |
0 |
273.15 |
0.003660992 |
665.47 |
6.655E-07 |
0.923842852 |
-0.034401897 |
A plot of Log10(vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 5 gives the following statistical data using an unweighted least squares treatment.
Slope: |
-3.98 x 103 |
Standard error in slope: |
111 |
Intercept: |
14.6 |
Standard error in intercept: |
0.413 |
The results obtained indicate the following vapor pressure relationship:
Log10(Vp (Pa)) = -3.98 x 103/temp(K) + 14.6
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 1.19.
Run 6
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapor Pressure (Pa) |
Log10Vp |
-10 |
263.15 |
0.003800114 |
194.56 |
1.946E-07 |
0.270099126 |
-0.568476821 |
-9 |
264.15 |
0.003785728 |
204.88 |
2.049E-07 |
0.284425930 |
-0.546030813 |
-8 |
265.15 |
0.003771450 |
238.97 |
2.390E-07 |
0.331751584 |
-0.479186995 |
-7 |
266.15 |
0.003757280 |
286.60 |
2.866E-07 |
0.397874227 |
-0.400254193 |
-6 |
267.15 |
0.003743215 |
304.99 |
3.050E-07 |
0.423404258 |
-0.373244779 |
-5 |
268.15 |
0.003729256 |
353.82 |
3.538E-07 |
0.491192808 |
-0.308748001 |
-4 |
269.15 |
0.003715400 |
410.44 |
4.104E-07 |
0.569795874 |
-0.244280700 |
-3 |
270.15 |
0.003701647 |
468.82 |
4.688E-07 |
0.650842271 |
-0.186524248 |
-2 |
271.15 |
0.003687996 |
525.72 |
5.257E-07 |
0.729834049 |
-0.136775880 |
-1 |
272.15 |
0.003674444 |
596.89 |
5.969E-07 |
0.828636242 |
-0.081636076 |
0 |
273.15 |
0.003660992 |
673.41 |
6.734E-07 |
0.934865607 |
-0.029250817 |
A plot of Log10(vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 6 gives the following statistical data using an unweighted least squares treatment.
Slope: |
-4.01 x 103 |
Standard error in slope: |
78.6 |
Intercept: |
14.7 |
Standard error in intercept: |
0.293 |
The results obtained indicate the following vapor pressure relationship:
Log10(Vp (Pa)) = -4.01 x 103/temp(K) + 14.7
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 1.20.
Summary of Results
The values of vapor pressure at 25 °C extrapolated from each graph are summarized in the following table:Run |
Log10[Vp(25 ºC)] |
1 |
1.17 |
2 |
1.16 |
3 |
1.13 |
4 |
1.18 |
5 |
1.19 |
6 |
1.20 |
Mean |
1.17 |
Vapor Pressure |
14.9 Pa |
The test item did not change in appearance under the conditions used in the determination.
Description of key information
The vapor pressure of the test substance, IFF 215 (Floriane) was determined to be 15 Pa at 25 ºC according to OECD Test Guideline 104 using a vapor pressure balance method.
Key value for chemical safety assessment
- Vapour pressure:
- 15 Pa
- at the temperature of:
- 25 °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.
