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Physical & Chemical properties

Appearance / physical state / colour

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Description of key information

Platinum dioxide (hydrated solid) is a black solid.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

The statement on appearance is taken from a study on physico-chemical properties of this material, and is adequate for assessment as the key study for this endpoint. Platinum dioxide (hydrated solid) is a black solid.

The CRC handbook (Lide 2008) is a reliable peer reviewed handbook and so can be considered suitable for use as a supporting study for this endpoint. At 20ºC and 1013 hPa platinum (IV) oxide is an inorganic solid of hexagonal black crystals.