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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Description of key information

Bis trifluoromethanesulfonimide lithium is not highly flammable. Furthermore, no pyrophoric properties and flammability in contact with water have been observed in experimental studies. 

Key value for chemical safety assessment

non flammable

Additional information


Two experimental studies, scored as Klimisch 1 (Martel, 2002c and Howes, 1993) are selected as a key study and revealed that the test item is not considered as highly flammable.

Pyrophoricity and Flammability in contact with water:

One experimental study for each endpoint, scored as Klimisch 1 (Howes, 1993) is selected as a key study and revealed that the test item does not ignite in air or does not emit highly flammable gases.

Justification for classification or non-classification

The EU Method A.10 is used to establish the classification with respect to flammable properties under DSD. In the case of a non flammable test item, it can be assumed that the UN N.1 test used to classify under CLP would have led to the same conclusion. Indeed, the main differences between both tests are:

- the presence of a wetted zone during the UN N.1 test,

- a shorter period of observation of the combustion propagation during the preliminary screening assay of the UN N.1 test.

As a result, knowing the test item did not burn during the A.10 test, it can be expected that a similar behaviour would have been obtained under the slightly different experimental conditions applied the UN N.1 test.

Based on the above information, bis trifluoromethanesulfonimide lithium does not require a classification regarding its flammable properties, neither under DSD, nor under CLP.