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EC number: 696-026-0 | CAS number: 1395383-69-3
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:
- 28 November 2011- 03 February 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study has been performed according to OECD and EC guidelines and according to the principles of GLP.
- 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
- GLP compliance:
- yes
- Type of method:
- other: Isothermal thermogravimetric effusion method
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: 5.9 x 10^-7 mm Hg
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: 1.2 x 10^-6 mm Hg
- Conclusions:
- The vapour pressure of bis(2,3-epoxypropyl) cyclohexane-1,2-dicarboxylate at 25°C is 1.6^10-4 Pa.
Reference
A representative weight loss curve of the test substance is shown in Figure 7 (see attachment). The plot of the log PTof the test substance as function of the reciprocal temperatures is shown in Figure 8 (see attachment). Equation: log PT,20= -5463´1/T + 14.53 (r = 0.998, n = 6).
Table: Results of the isothermal TGA analysis
Temperature |
Weight loss |
νT |
logνT |
logPT |
PT |
|
|
|
|
|
|
120 |
5.411 |
6.46´10-4 |
- 3.19 |
0.65 |
4.5 |
|
5.181 |
6.18´10-4 |
- 3.21 |
0.63 |
4.3 |
|
|
|
|
|
|
130 |
10.27 |
1.23´10-3 |
- 2.91 |
0.97 |
9.4 |
|
10.22 |
1.22´10-3 |
- 2.91 |
0.97 |
9.4 |
|
|
|
|
|
|
140 |
20.98 |
2.50´10-3 |
- 2.60 |
1.33 |
22 |
|
19.49 |
2.33´10-3 |
- 2.63 |
1.30 |
20 |
Description of key information
1.6x10^-4 Pa (1.2x10^-6 mm Hg) at 25°C (EC A.4, OECD 104: isothermal thermogravimetric effusion method )
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
The vapour pressure of bis(2,3-epoxypropyl) cyclohexane-1,2-dicarboxylate at 25°C is 1.6^10-4 Pa.
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