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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
Study period:
1987-10-12
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The study is regarded as reliable with restrictions because it was not conducted in compliance with GLP but data are comprehensive and scientifically acceptable.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987
Report Date:
1987

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Principles of method if other than guideline:
No data
GLP compliance:
no
Type of method:
dynamic method
Remarks:
under N2 atmosphere

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: crystalline

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.27 mBar
Remarks on result:
other: Calculated with Antoine equation.
Temp.:
50 °C
Vapour pressure:
2.66 mBar
Remarks on result:
other: Calculated with Antoine equation.

Any other information on results incl. tables

Temp (°C)

Pressure (mbar)

Rel. error

measured

Antoine Eq.

35.46

0.954

0.943

1.1602

45.88

2.004

2.01

-0.3239

56.24

3.987

4.004

-0.4195

65.38

6.973

7.016

-0.6235

71.59

9.989

10.044

-0.5474

92.51

29.906

29.921

-0.0513

111.14

69.738

69.572

0.2380

119.81

99.93

99.511

0.4196

149.76

299.09

297.505

0.5300

177.38

697.35

696.767

0.0836

184.4

846.64

847.807

-0.1378

190.5

996.09

999.484

-0.3407

Applicant's summary and conclusion