Registration Dossier

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
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:
EU Method A.4 (Vapour Pressure)
Version / remarks:
(2009)
Deviations:
no
Qualifier:
according to
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

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
[°C]

Weight loss
[µg/min]

νT
[g/cm2/h]

logνT

logPT

PT
[Pa]

 

 

 

 

 

 

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

Conclusions:
The vapour pressure of bis(2,3-epoxypropyl) cyclohexane-1,2-dicarboxylate at 25°C is 1.6^10-4 Pa.

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.