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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Auto flammability

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Administrative data

Link to relevant study record(s)

Description of key information

An auto-flammability test is executed by Chilworth Technology on diphenyl sulphone on request of Victrex Manufacturing Ltd. This study is according to ASTM E659-78.

Key value for chemical safety assessment

Additional information

Based on the study executed by Chilworth Technology in 1997, it can be concluded that for diphenyl sulphone no auto ignition up to temperature of 475°C is seen, so this compound is very stable and resistant to auto flammability.