Registration Dossier
Registration Dossier
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EC number: 624-182-1 | CAS number: 4187-38-6
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Scientifically acceptable method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- GLP compliance:
- no
- Type of method:
- dynamic method
Test material
- Reference substance name:
- -
- EC Number:
- 443-160-0
- EC Name:
- -
- Cas Number:
- 586-70-9
- Molecular formula:
- C9 H13 N
- IUPAC Name:
- 1-(p-tolyl)ethanamine
- Details on test material:
- Name of test material (as cited in study report): 1-(4-Methylphenyl)-ethylamin
Analytical purity: >98.3 %
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0.214 hPa
- Remarks on result:
- other: calculated from the regression equation
- Temp.:
- 25 °C
- Vapour pressure:
- 0.319 hPa
- Remarks on result:
- other: calculated from the regression equation
- Temp.:
- 50 °C
- Vapour pressure:
- 1.87 hPa
- Remarks on result:
- other: calculated from the regression equation
Any other information on results incl. tables
Results:
| Temperature [°C] | Vapour Pressure [hPa] | Aberration [%] | |
| Measurement | Calculation | ||
| 40,51 | 1,01 | 1,009 | 0,1 |
| 49,14 | 1,78 | 1,781 | -0,06 |
| 59,95 | 3,46 | 3,458 | 0,07 |
| 66,70 | 5,10 | 5,102 | -0,04 |
| 72,74 | 7,11 | 7,118 | -0,12 |
| 79,40 | 10,11 | 10,117 | -0,07 |
| 93,41 | 20,15 | 20,171 | -0,11 |
| 102,26 | 30,21 | 30,219 | -0,03 |
| 114,15 | 50,33 | 50,230 | 0,2 |
| 122,56 | 70,44 | 70,368 | 0,1 |
| 131,99 | 100,71 | 100,637 | 0,07 |
| 151,77 | 200,36 | 200,161 | 0,1 |
| 164,67 | 300,44 | 300,801 | -0,12 |
| 182,31 | 500,97 | 501,312 | -0,07 |
| 195,02 | 701,44 | 703,116 | -0,24 |
| 209,50 | 1008,05 | 1005,968 | 0,21 |
The regression of the results leads with a mean deviation of 0.46 % to the following equation:
ln (p/bar) = 10.1213-4201.45/(206.22+t)
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/extrapolation from the vapour pressure curve.
Applicant's summary and conclusion
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