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EC number: 228-782-0 | CAS number: 6358-64-1
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010-04-13 to 2010-04-15
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Recent GLP and guideline study.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
Test material
- Reference substance name:
- 4-chloro-2,5-dimethoxyaniline
- EC Number:
- 228-782-0
- EC Name:
- 4-chloro-2,5-dimethoxyaniline
- Cas Number:
- 6358-64-1
- Molecular formula:
- C8H10ClNO2
- IUPAC Name:
- 4-chloro-2,5-dimethoxyaniline
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 20 °C
- Vapour pressure:
- 0.004 Pa
Any other information on results incl. tables
Table 1 Results of the isothermal TGA analysis
Temperature |
Weight loss |
VT (g/cm2/h) |
log VT |
80 |
3.00 |
3.58x1 0-4 |
-3.45 |
|
3.18 |
3.79x10-4 |
-3.42 |
90 |
7.44 |
8.88x10-4 |
-3.05 |
|
8.14 |
9.71x10-4 |
-3.01 |
100 |
19.2 |
2.30x10-3 |
-2.64 |
|
22.4 |
2.67x10-3 |
-2.57 |
110 |
42.2 |
5.04x10-3 |
-2.30 |
|
48.8 |
5.83x10-3 |
-2.23 |
Applicant's summary and conclusion
- Conclusions:
- The isothermal thermogravimetric effusion method was chosen for the determination of the vapour pressure of 4-chloro-2,5-dimethoxyaniline. The vapour pressure of the test substance at 20°C (293K) was 3.65 x 10-3 Pa = 2.74 x 10-5 mm Hg.
- Executive summary:
The isothermal thermogravimetric effusion method was chosen for the determination of thevapour pressure of 4-chloro-2,5-dimethoxyaniline. The vapour pressure of the test substance at20°C (293K) was 3.65x10-3Pa = 2.74x10-5mm Hg.
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