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EC number: 695-101-5 | CAS number: 1275611-65-8
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 09 January 2017 to 06 February 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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 (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Conclusions:
- The vapour pressure at 25°C was determined to be 4.5E-04 Pa.
The vapour pressure at 20°C was determined to be 2.3E-04 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 vapour pressure at 25°C was determined to be 4.5E-04 Pa. The vapour pressure at 20°C was determined to be 2.3E-04 Pa.
Reference
Table: Results of the isothermal TGA analysis (test substance)
Temperature |
Weight loss |
vT |
logvT |
logPT |
PT |
|
|
|
|
|
|
90 |
1.09217 |
1.30E-04 |
-3.88 |
-0.26 |
0.56 |
|
1.23236 |
1.47E-04 |
-3.83 |
-0.18 |
0.65 |
|
|
|
|
|
|
100 |
2.20758 |
2.64E-04 |
-3.58 |
0.16 |
1.4 |
|
2.34970 |
2.80 E-04 |
-3.55 |
0.19 |
1.6 |
|
|
|
|
|
|
110 |
4.35224 |
5.20E-04 |
-3.28 |
0.55 |
3.6 |
|
3.61442 |
4.31E-04 |
-3.37 |
0.44 |
2.8 |
|
|
|
|
|
|
120 |
7.88695 |
9.41E-04 |
-3.03 |
0.90 |
7.9 |
|
7.58519 |
9.05E-04 |
-3.04 |
0.88 |
7.5 |
Description of key information
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 vapour pressure at 25°C was determined to be 4.5E-04 Pa. The vapour pressure at 20°C was determined to be 2.3E-04 Pa.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
