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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Description of key information

Divanadium pentaoxide starts melting at 681°C at atmospheric pressure.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
681 °C

Additional information

According to reliable handbook data (e.g. CRC handbook) the melting point of divanadium pentaoxide ranges from 681 -690°C at atmospheric pressure. The handbook data are considered to be from a trusted source acc. to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance" and therefore, the melting temperature is regarded as reliable.