Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information

Appearance and physical state of beryllium oxide at 20 °C and 1013.25 hPa

Physical state: solid, powder

Colour: white

Melting point (at 1013.25 hPa): 2430 ± 10 °C

Boiling point (estimated): 3900 °C

Density (at 20 °C) = 3.00 g/cm³

Particle size distribution (Lot 1846-B): MMD = 1.331 µm, range: ca. 0.3 µm to 10 µm.

Vapour pressure: N.A.

Partition coefficient: N.A.

Water solubility: <1.39 µg/l

Surface tension: N.A.

Flash point: N.A.

Auto flammability: N.A.

Flammability: N.A.

Explosiveness: N.A.

Oxidising properties: N.A.