Tungsten

Vapour pressure

Link to relevant study record(s)

Reference

Reference 1

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 for cross-reference:

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

Reference 2

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