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Physical & Chemical properties

Flammability

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Description of key information

Because of the result of the prelimitary test, cesium sulphate is considered non flammable. No flammability in contact with water and no pyrophoric 
properties are expected for the test item.

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

Flammability:

Following EU Method A.10, the preliminary screening test did not indicate flammable properties. Because of the result of the preliminary test, cesium sulphate is considered non flammable.

Flammability in contact with water:

The chemical structure of cesium sulphate does not contain chemical groups, capable of causing the development of a dangerous amount of (flammable) gas (e.g. hydrogen), when in contact with damp air or water. In addition, from experience in handling and use no flammability in contact with water is expected. Therefore, the test substance is considered non flammable in contact with water.

Pyrophoric properties:

From the structural formula of cesium sulphate it can be concluded that the test substance is not pyrophoric. Cesium sulphate does not contain any chemical group that might lead to spontaneous ignition shortly after coming into contact with air at room temperature. In addition, from experience in handling and use no ignition in contact with air is expected.

Justification for classification or non-classification

Based on the results of the flammability test (not flammable), the test item cesium sulphate in its solid form is not classified according to Regulation (EC) No 1272/2008 (CLP).