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EC number: 948-055-8 | CAS number: -
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 13 March 2018 - 27 March 2018
- 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:
- 2016
- 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:
- Extract obtained from the shell of Theobroma cacao (Malvaceae) by co-extraction with ethanol and propylene glycol
- EC Number:
- 948-055-8
- Molecular formula:
- not applicable as it is a UVCB
- IUPAC Name:
- Extract obtained from the shell of Theobroma cacao (Malvaceae) by co-extraction with ethanol and propylene glycol
- Test material form:
- liquid: viscous
- Details on test material:
- - Physical appearance: dark brown to black viscous liquid
- Storage conditions: in refrigerator (2-8°C) protected from light
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 9.8 Pa
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 16 Pa
Any other information on results incl. tables
Table: Results of the Vapour pressure Isothermal TGA Analysis
Temperature |
Weight loss |
νT |
logνT |
logPT |
PT |
45 |
32.0932 |
3.83E-3 |
-2.42 |
2.04 |
1.1E2 |
|
30.9307 |
3.69E-3 |
-2.43 |
2.02 |
1.1E2 |
50 |
43.2338 |
5.16E-3 |
-2.29 |
2.21 |
1.6E2 |
|
48.6273 |
5.80E-3 |
-2.24 |
2.27 |
1.9E2 |
55 |
67.6087 |
8.07E-3 |
-2.09 |
2.46 |
2.9E2 |
|
64.5980 |
7.71E-3 |
-2.11 |
2.43 |
2.7E2 |
60 |
84.6368 |
1.01E-2 |
-2.00 |
2.58 |
3.8E2 |
|
84.7215 |
1.01E-2 |
-2.00 |
2.58 |
3.8E2 |
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the substance at 20°C was determined to be 9.8 Pa.
The vapour pressure of the substance at 25°C was determined to be 16 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 45°C, 50°C, 55°C and 60°C. The vapour pressure of the substance at 20°C and 25°C was calculated by extrapolation to be 9.8 Pa and 16 Pa, resp.
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