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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Flammability

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Description of key information

The flammability test according to UN N.1 (Heinz, Colianni, 2010) delivered the result that TMP is a non flammable solid since the test substance melted when approached by the ignition flame. Additionally, the structure of TMP does not possess molecular groups associated with flammability properties upon contact with water or air aand it is therefore not expected that the substance ignites upon contact with water or air. 

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

The flammability test according to UN N.1 (Heinz, Colianni, 2010) delivered the result that TMP is a non flammable solid since the test substance melted when approached by the ignition flame.

Additionally, the structure of TMP does not possess molecular groups associated with flammability properties upon contact with water or air as listed in Table R.7.1-27 of the REACH Guidance on information requirements, chapter R.7.1.10. It is therefore not expected that the substance ignites upon contact with water or air.

Based on the evaluation of the chemical structure of TMP as well as on experience in handling, it is not expected that the substance ignites upon contact with water or air.

Justification for classification or non-classification

Based on the result of the UN N.1 test as well as the structure of the molecule and taking into account the provisions laid down in Council Directive 67/548/EEC and Guidance to Regulation (EC) No 1272/2008, trimethylolpropane does not have to be classified with respect to flammability.