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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: guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1985
Report date:
1985

Materials and methods

Test guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
no
Type of method:
dynamic method
Remarks:
using argon atmosphere

Test material

Constituent 1
Chemical structure
Reference substance name:
3-chloro-o-toluidine
EC Number:
201-756-6
EC Name:
3-chloro-o-toluidine
Cas Number:
87-60-5
Molecular formula:
C7H8ClN
IUPAC Name:
3-chloro-2-methylaniline

Results and discussion

Vapour pressure
Temp.:
20 °C
Vapour pressure:
0.024 hPa

Any other information on results incl. tables

The vapour pressure at 20 °C was calculated from the regression equation (mean deviation: 0.6 %): ln (p/bar) = A + B / (C + t/°C); A: 9.7519; B: -4175.57; C: 184.85

Temperature (°C)  measurement (hPa) calculation (hPa)
43.60  0.20  0.20
48.80  0.30  0.30
55.95  0.50  0.51
60.29  0.70  0.69
66.00  1.00  1.01
77.01  2.00  2.04
83.91  3.00  3.08
92.23  5.00  4.90
98.63  7.00  6.89
105.75  10.0  9.90
120.72  20.0  19.98
130.09  30.00  30.01
142.73  50.00  50.05
151.63  70.00  70.12
161.65  100.0  100.4
182.74  200.0   200.4 
196.27  300.0  300.0
214.9  500.0  499.8
228.2  700.0  699.7
243.9    1013.25
244.1  1018.5  1018.0
     

Applicant's summary and conclusion