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Physical & Chemical properties

Vapour pressure

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Description of key information

As the lanthanium oxide is an inorganic solid with a very high melting and boiling point, it can reasonably be expected that the vapour pressure of the substance is negligible. In accordance with column 2 of REACH annex VII, the vapour pressure does not need to be determined if the melting point is above 300°C which is the case for lanthanum oxide.

Key value for chemical safety assessment

Additional information

As the lanthanium oxide is an inorganic solid with a very high melting and boiling point, it can reasonably be expected that the vapour pressure of the substance is negligible. In accordance with column 2 of REACH annex VII, the vapour pressure does not need to be determined if the melting point is above 300°C which is the case for lanthanum oxide.