Registration Dossier

Physical & Chemical properties

Flammability

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Description of key information

The substance is a non-combustible solid.
The substance has no pyrophoric properties and does not liberate flammable gases in contact with water.
The substance is not a self-reactive substance or mixture.
The substance is not a self-heating substance or mixture.
The substance is not an organic peroxide.

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

The substance is a non-combustible solid.

Based on chemical structure pyrophoric properties and flammability in contact with water are not to be expected.

The substance or mixture does not need to be classified as self-reactive as there are no chemical groups present in the molecule associated with explosive or self reactive properties.

The substance or mixture does not need to be classified as self-heating as the substance is an inorganic oxide in which the inorganic element is in its highest possible oxidation state and is incapable of further reaction with oxygen and can thus be designated as non-flammable. The oxidation state of Barium in Barium oxide is in its highest possible state (2+) and thus Barium oxide can be considered as non-flammable and will not be sensitive to self-ignition and capable of self-heating.

The substance or mixture does not need to be classified as an organic peroxide as by definition based on their chemical structure the substance is no organic peroxide.

Justification for classification or non-classification

Dangerous Substance Directive (67/548/EEC):

Based on the chemical structure and taking into account the provisions laid down in Directive 67/548/EEC, as amended for the 31st time in Directive 2009/2/EG, the substance is not considered to be classified as flammable, flammable in contact with water or pyrophoric.

Classification, Labelling, and Packaging Regulation (EC) No 1272/2008:

Based on the chemical structure and taking into account the provisions laid down in Regulation (EC) No 1272/2008, as amended for the sixth time in Regulation (EC) No 605/2014., the substance is not considered to be classified as flammable, flammable in contact with water, pyrophoric, self-reactive substance, self heating substance or organic peroxide.