Registration Dossier

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report Date:
2011

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
yes (incl. certificate)
Type of method:
static method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Name of test material (as cited in study report): Cyanethylimidazol
Analytical purity: 89,4 area% by GC (see BSF GLP Study 11L00264)
Lot/batch No.: 000STD77L0 out of C1310, 2011-04-08

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
15.6 hPa
Remarks on result:
other: extrapolated or calculated fram the regression equation
Temp.:
25 °C
Vapour pressure:
20.8 hPa
Remarks on result:
other: extrapolated or calculated fram the regression equation
Temp.:
50 °C
Vapour pressure:
75.4 hPa
Remarks on result:
other: extrapolated or calculated fram the regression equation

Any other information on results incl. tables

Results

Temperature t/°C

Vapour pressure, p/hPa

measurement

Vapour pressure, p/hPa

calculation

29.6

26.9

26.84

39.6

45.3

45.37

49.5

73.6

73.62

59.6

116.3

116.71

79.5

266.8

265.62

99.5

551.5

550.76

119.5

1051.0

1052.80

The regression of the results leads with a mean deviation of 0.22 % to the following equation:

In(p/hPa) = 17.9346 - 3937.86 / (239.29 + t/°C)

The vapour pressures at 20°C, 25°C and 50°C were extrapolated or calculated fram the regression equation.

Applicant's summary and conclusion