Registration Dossier

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27 Nov 2008 - 02 Feb 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report Date:
2009

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.4 (Vapour Pressure)
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
no
Type of method:
dynamic method

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.053 hPa
Temp.:
25 °C
Vapour pressure:
0.094 hPa
Temp.:
50 °C
Vapour pressure:
1 hPa

Any other information on results incl. tables

Results
Vapour pressure was measured with the dynamic method in the temperature range of 83 to 205 °C.

Table 1 – Measured vapour pressure

Temperature [°C]

Vapour pressure [hPa]

82.7

10.0

102.6

29.9

115.3

45.1

117.6

60.0

130.3

99.7

138.0

124.0

163.5

299.2

179.2

499.7

196.9

693.3

204.6

883.5

 

The values for 20, 25 and 50 °C are calculated, using the Antoine constants as shown in Table 2.

Table 2 – Extrapolated vapour pressures

T [°C]

p [hPa]

p [Pa]

20

5.3E-02

5.3

25

9.4E-02

9.4

50

1.0

104

Applicant's summary and conclusion