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EC number: 200-386-2 | CAS number: 58-56-0
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:
- 04 December 2014-09 April 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-compliant study in accordance with EC A.4, OECD 104 and EPA OPPTS 830.7950.
- 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:
- other: Effusion method: isothermal thermogravimetry
- Temp.:
- 20 °C
- Vapour pressure:
- < 1.5 other: E-03 Pa
- Temp.:
- 25 °C
- Vapour pressure:
- < 7 other: E-03 Pa
- Conclusions:
- In a GLP-compliant study in accordance with EC A.4, OECD 104 and EPA OPPTS 830.7950 using the isothermal thermogravimetric effusion method, the vapour pressure of the substance at 25°C has been determined as <7.0E-03 Pa (< 1.5E-03 Pa at 20°C).
Reference
Weight loss curves: see the attached document.
Table: TGA analysis
Temperature |
Weight loss |
νT |
logνT |
logPT |
PT |
|
|
|
|
|
|
110 |
1.035 |
1.24E-4 |
-3.91 |
0.08 |
1.2 |
|
0.521 |
6.22E-5 |
-4.21 |
-0.27 |
0.53 |
|
|
|
|
|
|
120 |
0.8780 |
1.05E-4 |
-3.98 |
-0.01 |
0.98 |
|
0.4906 |
5.86E-5 |
-4.23 |
-0.30 |
0.50 |
|
|
|
|
|
|
130 |
0.9591 |
1.14E-4 |
-3.94 |
0.04 |
1.1 |
|
0.3070 |
3.66E-5 |
-4.44 |
-0.54 |
0.29 |
|
|
|
|
|
|
140 |
1.129 |
1.35E-4 |
-3.87 |
0.12 |
1.3 |
|
0.549 |
6.55E-5 |
-4.18 |
-0.25 |
0.56 |
|
|
|
|
|
|
Description of key information
In a GLP-compliant study in accordance with EC A.4, OECD 104 and EPA OPPTS 830.7950 using the isothermal thermogravimetric effusion method, the vapour pressure of the substance at 25°C has been determined as <7.0E-03 Pa (< 1.5E-03 Pa at 20°C).
Key value for chemical safety assessment
- Vapour pressure:
- 0.007 Pa
- at the temperature of:
- 25 °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.
