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Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: acceptable study, meets basic scientific principles

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007

Materials and methods

Test guideline
Guideline:
other: dynamic measurement
GLP compliance:
no
Type of method:
dynamic method
Remarks:
with nitrogen

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): 2-Ethylhexanoyl chloride
- Analytical purity: 99,7 %

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.95 hPa
Remarks on result:
other: intrapolated from vapour pressure curve
Temp.:
50 °C
Vapour pressure:
6.71 hPa
Remarks on result:
other: intrapolated from vapour pressure curve
Temp.:
181.65 °C
Vapour pressure:
1 013.25 hPa
Remarks on result:
other: intrapolated from vapour pressure curve

Any other information on results incl. tables

measured values:

temperature (°C)              vapour pressure (hPa)

19.89                                    0.94

30.41                                    1.98

36.73                                    3.00

44.99                                    5.00

50.71                                    7.00

57.01                                    9.94

70.47                                    19.99

78.88                                    29.98

90.27                                    49.98

98.28                                    70.01

107.22                                    99.97

126.32                                    199.9

138.64                                    300.1

155.49                                    499.7

167.55                                    699.4

181.86                                   1018.8

The regression of the results leads with a mean deviation of 0.11 % to the following equation:

ln(p/hPa) = 16.6950 - 3793.93 / (206.53 + t/°C)

Applicant's summary and conclusion