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Physical & Chemical properties

Vapour pressure

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Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
Data from peer-reviewed handbook or collection of data.
Reason / purpose:
reference to same study
Principles of method if other than guideline:
Data in this peer-reviewed publication were taken from many sources, including both compilations and primary literature. Where conflicts were found, the value deemed most reliable was chosen for inclusion in the handbook. Reference sources were not provided for this parameter, nor was the experimental method.
GLP compliance:
not specified
Temp.:
2 000 °C
Vapour pressure:
0 Pa
Temp.:
3 000 °C
Vapour pressure:
0.1 Pa
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
Data from peer-reviewed handbook or collection of data.
Principles of method if other than guideline:
Data in this peer-reviewed publication were taken from many sources, including both compilations and primary literature. Where conflicts were found, the value deemed most reliable was chosen for inclusion in the handbook. Reference sources were not provided for this parameter, nor was the experimental method.
GLP compliance:
not specified
Temp.:
1 700 °C
Vapour pressure:
0 Pa
Temp.:
2 300 °C
Vapour pressure:
0.4 Pa
Temp.:
3 000 °C
Vapour pressure:
0.002 Pa

Description of key information

Vapor pressure of tungsten metal is expected to be extremely low at ambient temperatures. 

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
3 000 °C

Additional information