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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)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979

Materials and methods

Principles of method if other than guideline:
Inhouse methode of Hoechst AG
Dynamic; Range of measurement: 88.5 - 214.5°C
Representation of measuring values according ANTOINE

Test material

Constituent 1
Chemical structure
Reference substance name:
α,2-dichlorotoluene
EC Number:
210-258-8
EC Name:
α,2-dichlorotoluene
Cas Number:
611-19-8
Molecular formula:
C7H6Cl2
IUPAC Name:
1-chloro-2-(chloromethyl)benzene

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.2 hPa
Remarks on result:
other: Based on extrapolation of measured values according ANTOINE
Temp.:
50 °C
Vapour pressure:
1.5 hPa
Remarks on result:
other: Based on extrapolation of measured values according ANTOINE

Any other information on results incl. tables

Comparision of Measured and Calculated values

P (measured)

P (calculated)

P (difference)

[°C]

hPa

hPa

hPa

88.46

13.466

13.306

0.159

104.03

27.064

27.613

-0.548

119.88

53.862

53.906

-0.043

137.86

107.059

106.577

0.481

158.14

213.449

211.520

1.929

181.70

426.632

427.463

-0.831

201.27

720.474

719.528

0,947

214.46

989.785

993.728

-3.942

 

 

 

 

Applicant's summary and conclusion

Conclusions:
The vapor pressure of the test item is 0.2 hPa at 20°C