Registration Dossier
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EC number: 223-984-5 | CAS number: 4152-09-4
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- dynamic method
Test material
- Reference substance name:
- N-benzylethylenediamine
- EC Number:
- 223-984-5
- EC Name:
- N-benzylethylenediamine
- Cas Number:
- 4152-09-4
- Molecular formula:
- C9H14N2
- IUPAC Name:
- N-benzylethane-1,2-diamine
- Test material form:
- liquid
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.007 hPa
- Remarks on result:
- other: extrapolated
- Key result
- Temp.:
- 40 °C
- Vapour pressure:
- 0.012 hPa
- Remarks on result:
- other: extrapolated
- Key result
- Temp.:
- 50 °C
- Vapour pressure:
- 0.12 hPa
- Remarks on result:
- other: extrapolated
Vapour pressure at 50°C (if relevant for classification of gas under pressure)
- Key result
- Vapour pressure:
- 0.12 hPa
- Remarks on result:
- other: extrapolated
Any other information on results incl. tables
Results
Temperature [°C] |
Vapour pressure (measurement) [hPa] |
Vapour pressure (calculation) [hPa] |
79.83 |
1.00 |
0.998 |
91.12 |
2.00 |
2.003 |
98.10 |
3.00 |
2.996 |
107.50 |
5.00 |
5.002 |
114.11 |
7.02 |
7.037 |
121.31 |
10.01 |
10.038 |
136.37 |
20.05 |
20.047 |
145.90 |
30.08 |
30.071 |
158.58 |
49.90 |
49.820 |
167.46 |
69.56 |
69.443 |
177.64 |
99.94 |
99.617 |
198.85 |
199.0 |
198.75 |
212.69 |
299.9 |
299.85 |
231.18 |
495.2 |
497.83 |
244.82 |
700.2 |
703.77 |
259.29 |
998.8 |
992.89 |
The regression of the vapor pressure data leads with a mean deviation of 0.22 % to the following rounded equation:
In ( p/hPa) = 17.1835 -4594.45 / ( 187.52 + t/°C)
Temperature, t/°C |
Vapour pressure, p/hPa |
20b) |
7.0E-03b) |
25b) |
1.2E-02b) |
50b) |
1.2E-01b) |
a) calculated by use of the unrounded regression equation.
b) extrapolated.
Applicant's summary and conclusion
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