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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Link to relevant study record(s)

flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
February 2020
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
this study has been performed in accordance with commisssion Regulation (EC) No 440/2008 of May 2008 (A10) and the principles of Good Laboratory Practice.
according to guideline
EU Method A.10 (Flammability (Solids))
Version / remarks:
No 440/2008 of 30 May 2008
GLP compliance:
Specific details on test material used for the study:
Purity of the test subsatnce 99.98 %
Key result
Test procedure:
burning rate test: preliminary screening test
Remarks on result:
substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period
Interpretation of results:
not classified based on GHS criteria
The test item could not be ignited. Therefore, Diphenyl sulphone is considered to be non-flammable under the conditions of this test.

Executive summary:

The screening test was negative, the substance is not flammable

Description of key information

A  Flammability study was  conduted on Diphenyl sulphone  according to  Method A.10 ( L142 of may 2008). The test item , Diphenyl sulphone is considered to be non flammable under the conditions  of this study.

Key value for chemical safety assessment

not classified

Additional information

Justification for classification or non-classification

Not classified for flammability, based on the result of the study .