Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Yttrium oxide is at normal pressure and temperature an inorganic white odourless solid powder with a relative density of 4.85 at 20.3°C.

Its melting and boiling point is > 400°C.

It has a very low water solubility (0.7 mg/l). Furthermore, it is neither flammable (up to 400°C) nor auto-flammable, nor explosive or oxidising.