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EC number: 695-797-0 | CAS number: 93601-86-6
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 11 September 2017 - 20 October 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- 2009
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- effusion method: isothermal thermogravimetry
Test material
- Reference substance name:
- (2S)-5-methoxy-N-propyl-1,2,3,4-tetrahydronaphthalen-2-aminium chloride
- EC Number:
- 695-797-0
- Cas Number:
- 93601-86-6
- Molecular formula:
- C14H21NO.HCl
- IUPAC Name:
- (2S)-5-methoxy-N-propyl-1,2,3,4-tetrahydronaphthalen-2-aminium chloride
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Appearance: White to off-white powder
- Storage condition of test material: At room temperature
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
Any other information on results incl. tables
Table: Results of the isothermal TGA analysis (test item)
Temperature |
Weight loss |
νT |
log νT |
log PT |
PT |
160 |
4.62661 |
5.52 x 10-4 |
-3.26 |
0.97 |
9.3 |
|
4.35410 |
5.19 x 10-4 |
-3.28 |
0.93 |
8.6 |
170 |
9.66331 |
1.15 x 10-3 |
-2.94 |
1.38 |
24 |
|
9.19183 |
1.10 x 10-3 |
-2.96 |
1.35 |
22 |
180 |
19.5779 |
2.34 x 10-3 |
-2.63 |
1.77 |
59 |
|
18.2840 |
2.18 x 10-3 |
-2.66 |
1.73 |
54 |
190 |
37.5664 |
4.48 x 10-3 |
-2.35 |
2.13 |
1.4 x 102 |
|
34.8646 |
4.16 x 10-3 |
-2.38 |
2.09 |
1.2 x 102 |
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the substance at 20°C was determined to be 2.5E-8 Pa.
The vapour pressure of the substance at 25°C was determined to be 6.9E-8 Pa. - Executive summary:
The vapour pressure of the substance was determined using the isothermal thermogravimetric effusion method in a GLP study according to EC A.4, OECD 104 and OPPTS 830.7950. The constants specific for the experimental arrangement were determined using a set of 5 reference compounds. A vapour pressure curve for the test item was constructed from duplicate measurements at 160°C, 170°C, 180°C and 190°C. The vapour pressure of the substance at 20°C and 25°C was determined by extrapolation to be 2.5E-8 Pa and 6.9E-8 Pa, resp.
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