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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways


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Administrative data

Link to relevant study record(s)

Description of key information

The two isomers 3,3,4,4-tetrafluoro-1,2-oxathietane 2,2-dioxide and Fluorosulfonyl difluoroacetyl fluoride can undergo hydrolysis (exothermic reaction) in the presence of water to form the corresponding carboxylic acid (2,2-Difluoro-2-(fluorosulfonyl)acetic Acid), and hydrogen fluoride.

Key value for chemical safety assessment

Additional information