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Physical & Chemical properties

Flammability

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Description of key information

The test substance did not ignite when in direct contact with a hot flame and BPA-DA is thus not flammable.  

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

The flammability of BPA DA was evaluated in accordance with EC Method A.10 (Springborn Smithers Laboratories, 2008). The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The test substance did not ignite when in direct contact with a hot flame. The test substance melted in the presence of the flame. Based on these results, it was determined that 4,4'-Bisphenol A Dianhydride is not flammable.

In accordance with point 1 of REACH Annex XI, it is considered justified to omit the testing for pyrophoric properties. Testing does not appear scientifically necessary as in the daily use and handling of BPA-DA, during which continuous exposure to air can occur, no spontaneous ignition is observed. The absence of structural alerts furthermore confirms that it is highly unlikely that BPA-DA possesses pyrophoric properties.

 

In accordance with point 1 of REACH Annex XI, it is considered justified to omit the testing for substances or mixtures which in contact with water emit flammable gases. Testing does not appear scientifically necessary as under conditions where BPA-DA is in contact with water, no ignition and/or liberation of flammable gases is observed. The absence of structural alerts furthermore confirms that it is highly unlikely that BPA-DA is flammable in contact with water.

Justification for classification or non-classification

In accordance with the criteria for classification as defined in Annex I, Regulation (EC) No 1272/2008, the substance does not require classification with respect to flammability.