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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting temperature of platinum dioxide (hydrated solid) has been determined to be greater than 450 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
450 °C

Additional information

Walker and White (2011) is a GLP compliant study following OECD TG 102, which is considered suitable for use as the key study for this endpoint. The melting temperature of platinum dioxide (hydrated solid) has been determined to be greater than 450 °C.
The CRC Handbook (Lide, 2008) is a reliable peer reviewed handbook and can be considered reliable and suitable for use as the supporting study for this endpoint. The reported melting point of platinum dioxide was 450 °C at 101.325 kPa