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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Flammability

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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

Justification for classification or non-classification

No classification required. Molybdenum dioxide is not flammable. This assessment is based on structural/chemical considerations, long term experience and a test with molybdenum metal powder, which was not flammable. Since MoO2 represents Mo in a higher oxidation state, any violent /rapid reaction resulting in burning can be excluded with certainty.