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EC number: 601-147-9 | CAS number: 111988-49-9
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:
- 15 Feb 1995 - 4 Apr 1996
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- GLP compliance:
- yes
- Type of method:
- gas saturation method
- Temp.:
- 20 °C
- Vapour pressure:
- 0 hPa
- Temp.:
- 25 °C
- Vapour pressure:
- 0 hPa
Reference
Vapour pressures calculated from the study data (measurements in the temperature range 50 -70 °C):
Test parameter |
Substance mass (µg) |
Gas volume at p0, T0 (L) |
Pressure p1 (hPa) |
Temperature T1 (K) |
Gas volume at p1, T1 (L) |
Vapour pressure (Pa) |
70 °C, 4L/min |
0.4044 |
10000 |
1072 |
344.00 |
11900.68 |
3.8444E-07 |
70 °C, 4L/min |
0.05325 |
3000.1 |
1066 |
342.85 |
3578.42 |
1.6780E-07 |
70 °C, 4L/min |
0.06340 |
3000.1 |
1067 |
343.08 |
3577.46 |
1.9996E-07 |
70 °C, 2L/min |
0.6700 |
10000.2 |
1061.76 |
343.79 |
12008.36 |
6.3084E-07 |
70 °C, 2L/min |
0.09276 |
3000 |
1066 |
342.80 |
3577.89 |
2.9228E-07 |
70 °C, 1L/min |
0.6010 |
10000.1 |
1058.68 |
344.06 |
12052.46 |
5.6424E-07 |
70 °C, 1L/min |
0.05531 |
3000 |
1061 |
343.00 |
3596.73 |
1.7369E-07 |
60 °C, 4L/min |
0.1298 |
10000 |
1053 |
333.71 |
11753.01 |
1.2120E-07 |
60 °C, 2L/min |
0.1736 |
10000 |
1046 |
333.43 |
11821.74 |
1.6103E-07 |
60 °C, 1L/min |
0.1396 |
10000 |
1048 |
333.59 |
11804.84 |
1.2974E-07 |
50 °C, 4L/min |
0.1438 |
30000 |
1057.67 |
323.77 |
34057.75 |
4.4959E-08 |
50 °C, 4L/min |
0.05104 |
30000 |
1072 |
323.75 |
33600.40 |
1.6161E-08 |
50 °C, 2L/min |
0.06226 |
30000 |
1058 |
323.50 |
34018.73 |
1.9452E-08 |
50 °C, 2L/min |
0.1163 |
30000 |
1068 |
323.46 |
33696.04 |
3.6716E-08 |
50 °C, 1L/min |
0.07456 |
30000 |
1061 |
323.71 |
33944.56 |
2.3385E-08 |
log p [hPa] = a + b*(1/T[K])
a = 8.80452
b = -5939.74
Corr. coefficient R = -0.931936, R² = 86.85%
Description of key information
8.0E-12 hPa at 25 °C
3.0E-12 hPa at 20 °C
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
The vapour pressure of the substance was determined according to OECD 104 and EU A.4 (gas saturation method).
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.
