Registration Dossier
Registration Dossier
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EC number: 838-724-1 | CAS number: 94568-76-0
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 21 Feb - 09 Apr 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Hess. Ministerium für Umwelt, Klimaschutz, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
- Type of method:
- dynamic method
Test material
- Reference substance name:
- 1,1,3-trimethyl-2,3-dihydro-1H-inden-4-amine
- EC Number:
- 838-724-1
- Cas Number:
- 94568-76-0
- Molecular formula:
- C12H17N
- IUPAC Name:
- 1,1,3-trimethyl-2,3-dihydro-1H-inden-4-amine
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0.002 hPa
- Remarks on result:
- other: extrapolated from the experimental data (vapour pressure: dynamic method):
- Temp.:
- 25 °C
- Vapour pressure:
- 0.004 hPa
- Remarks on result:
- other: extrapolated from the experimental data (vapour pressure: dynamic method):
Vapour pressure at 50°C (if relevant for classification of gas under pressure)
- Vapour pressure:
- 0.06 hPa
- Remarks on result:
- other: extrapolated from the experimental data (vapour pressure: dynamic method):
Any other information on results incl. tables
Individual results
The vapour pressure was
measured with the dynamic method in the temperature range of 124 °C to
249 °C. The measured vapour pressures at the corresponding temperatures
are listed in the Table below.
| Temperature / °C | Vapour Pressure /hPa |
| 124.4 | 10.0 |
| 148.1 | 30.0 |
| 165.7 | 60.0 |
| 180.0 | 100.0 |
| 201.7 | 200.0 |
| 215.8 | 300.0 |
| 264.7 | 500.0 |
| 248.9 | 700.0 |
| 192.4 | 150.0 |
| 138.9 | 20.0 |
From the measured data the parameters A, B and
C of the Antoine equation can be derived by regression.
log(p/ hPa) = A + (B/ (C + T [°C]))
The evaluated Antoine parameters are listed in the Table below.
| A | 6.82326 |
| B | -1564.62 |
| C | 144.39 |
The vapour pressure values for 20, 25 and 50 °C (see Table below) were extrapolated, using these Antoine constants A, B and C.
| T /°C | p /hPa | p /Pa |
| 20 | 2.0 x 10-3 | 2.0 x 10-1 |
| 25 | 3.9 x 10-3 | 3.9 x 10-1 |
| 50 | 6.0 x 10-2 | 6.0 |
Applicant's summary and conclusion
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