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EC number: 641-132-4 | CAS number: 93240-93-8
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 998
- Report date:
- 1998
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- GLP compliance:
- no
- Type of method:
- dynamic method
Test material
- Reference substance name:
- {2-[2-(dimethylamino)ethoxy]ethyl}(methyl)amine
- EC Number:
- 641-132-4
- Cas Number:
- 93240-93-8
- Molecular formula:
- C7 H18 N2 O
- IUPAC Name:
- {2-[2-(dimethylamino)ethoxy]ethyl}(methyl)amine
- Test material form:
- liquid
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.59 hPa
- Remarks on result:
- other: extrapolated
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0.88 hPa
- Remarks on result:
- other: extrapolated
- Key result
- Temp.:
- 50 °C
- Vapour pressure:
- 4.792 hPa
- Remarks on result:
- other: intrapolated
Vapour pressure at 50°C (if relevant for classification of gas under pressure)
- Key result
- Vapour pressure:
- 4.792 hPa
Any other information on results incl. tables
Results
Temperature [°C] |
Vapour pressure (measurement) [hPa] |
Vapour pressure (calculation) [hPa] |
Aberration [%] |
26.88 |
1.02 |
1.012 |
0.82 |
36.48 |
2.01 |
2.005 |
0.26 |
42.71 |
3.02 |
3.034 |
-0.47 |
50.86 |
5.01 |
5.054 |
-.088 |
56.36 |
6.94 |
6.997 |
-0.82 |
62.98 |
10.08 |
10.156 |
-0.76 |
76.07 |
20.00 |
20.075 |
-0.38 |
84.44 |
30.01 |
29.972 |
0.13 |
95.67 |
50.03 |
49.406 |
1.25 |
103.61 |
70.04 |
68.698 |
1.92 |
146.03 |
300.28 |
306.543 |
-2.09 |
162.66 |
500.29 |
501.908 |
-0.32 |
174.56 |
699.85 |
697.951 |
0.27 |
188.75 |
1017.62 |
1013.790 |
0.38 |
189.24 |
- |
1013.25 |
- |
Temperature, t/°C |
Vapour pressure, p/hPa |
20 |
0.5903 |
25 |
0.8796 |
50 |
4.7918 |
The regression of the results leads with a mean deviation of 0.91 % to the following rounded equation:
ln(p/hPa) = 9.2464 - 3502.69 / (190.12 + t/°C)
The vapour pressure at 20 °C, 25 °C and 50°C was calculated from the regression equation.
The normal boiling temperature was obtained by intrapolation from the vapour pressure curve.
Applicant's summary and conclusion
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