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Physical & Chemical properties

Flammability

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Description of key information

UNOXOL(TM) 3 ,4 Dialdehyde and its reaction products are incapable of developing a dangerous amount of (flammable) gas(es) in contact with air, damp air or water.

Key value for chemical safety assessment

Additional information

A12/A13: Test not conducted since experience in use and structural grounds indicates a negative result would be obtained.

The test substance reacts with oxygen to its diacid. Both the structures of the original compounds and the reaction products were taken into account and do not contain groups that might lead to evolution of highly flammable gases in dangerous quantities when coming into contact with damp air of water. Furthermore, no metals, transition metals, boron or silicon are present.

In order to obtain some additional information, an experiment was performed in which a small amount of test substance was added to double distilled water (0.5 g150 ml): no spontaneous ignition took place and no evolution of gas was observed.

This is also valid for UNOXOL(TM) 3,4 Dialdehyde Crude Grade (Heptanes content ca. 6.0 %wt).

Justification for classification or non-classification

UNOXOL(TM) 3,4 Dialdehyde and its reaction products are incapable of developing a dangerous amount of (flammable) gas(es) in contact with air, damp air or water.