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Physical & Chemical properties

Appearance / physical state / colour

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Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Statement on appearance and physical state taken from the test material section of a GLP-compliant study on physico-chemical properties of the material
Qualifier:
no guideline followed
Principles of method if other than guideline:
The statement on appearance is taken from the test material section of a GLP-compliant study on physico-chemical properties of the material
GLP compliance:
yes
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Colour:
Grey
Odour:
other: No data
Substance type:
element
Conclusions:
Ruthenium (anhydrous solid) is a grey powder.
Executive summary:

The statement on appearance is taken from the test material section of a GLP-compliant study on physico-chemical properties of the material and is considered suitable for use as the key study for this endpoint. Ruthenium (anhydrous solid) is a grey powder.

Description of key information

Ruthenium (anhydrous solid) can be in massive form or a grey powder.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

Ruthenium metal is available in powder or massive form.

 

A statement on appearance of the powder form is taken from the test material section of a GLP-compliant study on physico-chemical properties of the material and is considered suitable for use as the key study for this endpoint (Tremain and Atwal 2011). Ruthenium (anhydrous solid) is a grey powder.

 

This is supported by data on the massive form, taken from a reliable, peer-reviewed handbook of physico-chemical properties (Lide 2008). At 20°C and 1013 hPa ruthenium is a solid, silver-white metal with hexagonal crystals.