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Description of key information

No propagation of the flame was observed and the flame died one second after the flame of the burner had been removed.
Therefore, the test item PPDA should be considered as not highly flammable.

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

The flammability of PPDA was determined according to EU method A.10. First, a safety test was performed. A small amount of the test item was heated on a magnesia groove with a gas burner in order to derive safety precautions. Melting and boiling was observed. The test item burned with an orange flame, carbonised and changed its colour from grey to black.

 

In the preliminary screening test following the EU and UN method, the test item was heated with the flame of a Teclu burner. After contact with the flame of the burner, the test item started to melt, boiled and changed its colour from grey to black. During heating, the test item burned with orange flame, which died about one second after the gas burner had been removed. After heating, the liquid test item carbonised. No propagation of the flame was observed.

Therefore, the test item PPDA should be considered as not highly flammable.

Justification for classification or non-classification

No classification of PPDA is required.

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