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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19 FEB 2010 to 9 NOV 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
static method
Temp.:
20 °C
Vapour pressure:
2 mBar

Vapour Pressure

Temp/°C

Temp/K

P/mbar

**P/Pa

Run 1

*20

293.15

2

190

53.2

326.35

8

800

66.5

339.65

14

1400

73.4

346.55

21

2100

87.7

360.85

33

3300

94.1

367.25

43

4300

109.6

382.75

55

5500

118.3

391.45

79

7900

Run 2

*20

293.15

2

178

53.1

326.25

8

800

72.6

345.75

19

1900

87.6

360.75

33

3300

97.0

370.15

47

4700

114.3

387.45

66

6600

118.6

397.75

87

8700

* - Determined by extrapolation

** - Calculated

Conclusions:
The vapour pressure was determined to be 2 mbar (20°C), in accordance with Method A.4.
Executive summary:

The vapour pressure was determined, using a static method, as 2 mbar, equivalent to 200 Pa at 20°C

Note that the substance is UVCB with mixed molecular weight fractions and this will represent the more volatile components.

A figure of 200 Pa @ 20 C is used for the CSR

Description of key information

The vapour pressure was determined, using a static method, as 2 mbar, equivalent to 200 Pa.

Note that the substance is UVCB with mixed molecular weight fractions and this will represent the more volatile components.

A figure of 200 Pa @ 20 C is used for the CSR

Key value for chemical safety assessment

Vapour pressure:
200 Pa
at the temperature of:
20 °C

Additional information

The vapour pressure was determined according to EU Method A.4 (vapour pressure).