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Diss Factsheets

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: Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
no
Type of method:
dynamic method

Test material

Constituent 1
Reference substance name:
Chloracetaldehyd 45 %
IUPAC Name:
Chloracetaldehyd 45 %
Test material form:
other: liquid
Details on test material:
Sample 540144

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
20 hPa
Temp.:
38 °C
Vapour pressure:
67 hPa
Temp.:
50 °C
Vapour pressure:
140 hPa

Any other information on results incl. tables

Regressionsformel:log p [hPa] = -2704.01 1/T [1/K] + 10.51404

Table of measured results: 

Temperature [°C]

Vapour [hPa]

T [K]

1/T [1/K]

log p [hPa]

11.9

10

285.05

0.003508

1.00000

17

15

290.15

0.003446

1.17609

26

30

299.15

0.003343

1.47712

32.6

48

305.75

0.003271

1.68124

40

79

313.15

0.003193

1.89763

48

129

321.15

0.003114

2.11059

55.6

198

328.75

0.003042

2.29667

62

280

335.15

0.002984

2.44716

23

24

296.15

0.003377

1.38021

36

61

309.15

0.003235

1.78533

52

163

325.15

0.003076

2.21219

88

972

361.15

0.002769

2.98767

 

Applicant's summary and conclusion