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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

The flammability of acetylacetone was determined according to EU guideline A.12, steps 1, 2, 3, 4. 

Key value for chemical safety assessment

non flammable

Additional information

The study can be considered reliable and suitable for use as the key study for this endpoint.

Justification for classification or non-classification

No spontaneous ignition took place in any step of the test procedure.

The average as well as the maximum rate of gas evolution was clearly less than 1.l / (kg h) in each of the 3 tests in step 4

The test substance is not hazardous (not highly flammable).