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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
September 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
GLP compliance:
no
Type of method:
dynamic method
Specific details on test material used for the study:
Batch-no.: 05347/MA
Key result
Temp.:
20 °C
Remarks on result:
other: calculated
Remarks:
1.57E-16 kPa
Key result
Temp.:
50 °C
Remarks on result:
other: calculated
Remarks:
1.64E-13 kPa

Experimental vapour pressure data:

 T [K]  P [kPa]
 539.59  0.092

 542.66

 0.11

 546.03

 0.16

 550.29

 0.21

 555.94

 0.29

 559.22

 0.40

 564.27

 0.56

 565.09

 0.60

566.71

 0.65

 568.80

 0.74

 570.40

 0.85

 575.02

 1.14

 576.08

 1.23

 577.81

 1.39

 583.09

 1.94

 585.10

 2.16

 594.23

 3.73

 595.19  4.02
Conclusions:
Calculated vapour pressure at 20 °C 1.57 E-16 kPa and at 50 °C 1.64 E-13 kPa.
Values are afflicted with high relative uncertainties.
Executive summary:

The vapour pressure was measured with OECD 104 guideline method in a temperature range from 539.59 K to 595.19 K. To the experimental data Antoine parameters were fitted. Calculated values at 20 and 50 °C are given.

Description of key information

1.7 E-16 kPa at 20 °C; 1.64 E-13 kPa at 50 °C

Key value for chemical safety assessment

Vapour pressure:
0 kPa
at the temperature of:
20 °C

Additional information