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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

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 taken from a Klimisch 1, GLP study on physico-chemical properties of this material
Principles of method if other than guideline:
No guideline - statement on appearance taken from K1 GLP study on the physico-chemical properties of this material
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Colour:
Dark grey
Conclusions:
Palladium monoxide is a drak grey powder.
Executive summary:

Information on the appearance of palladium monoxide is from a Klimisch 1 GLP compliant guideline experimental study. The statement on appearance is taken from a study on physico-chemical properties of this material, and is adequate for the assessment as the key study for this endpoint. Palladium monoxide is a drak grey powder.

Description of key information

Palladium monoxide (anhydrous) is a dark grey powder. 

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

The statement on appearance and physical state is taken from a Klimisch 1, GLP compliant, guideline experimental study for palladium monoxide (anhydrous). The statement on appearance is taken from a study on physico-chemical properties of the material, and is adequate for assessment as the key study for this endpoint (Tremain and Atwal 2011). Palladium monoxide (anhydrous) is a dark grey powder.

Supporting data are taken from Lide (2008), a reliable peer reviewed handbook. At 20°C and 1013.25 hPa palladium monoxide forms tetragonal green-black inorganic crystals. WHO (2002) is a reliable peer reviewed handbook and states that palladium monoxide is a black-green or amber solid.