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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Physical & Chemical properties

Flash point

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Administrative data

Link to relevant study record(s)

flash point, other
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
according to guideline
EU Method A.9 (Flash-Point)
Version / remarks:
ASTM D6450
not applicable
GLP compliance:
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Dynamic viscosity of test material:
The substance is a solid
Specific details on test material used for the study:
purity of the test item is 99.98%
Key result
Flash point:
> 200 °C
Atm. press.:
ca. 101 325 kPa
Remarks on result:
no flash point according to standard method
Interpretation of results:
GHS criteria not met
The test item, Diphenyl sulphone has no flash point up to 200°C under the conditions of this test.
Executive summary:

No flash point of Diphenylsulphone was observed up to 200°C @ 101325 KPa.

Description of key information

No flash point of Diphenyl sulphone was observed up to 200°C

Key value for chemical safety assessment

Additional information

No flash point of Diphenyl sulphone was observed up to 200°C