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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Classification & Labelling & PBT assessment

PBT assessment

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Administrative data

PBT assessment: overall result

PBT status:
the substance is not PBT / vPvB

Trifluoromethanesulfonic anhydride is rapidly and completely hydrolysed in water to form trifluoromethanesulfonic acid. Therefore, it is scientifically relevant to use the PBT assessment of trifluoromethanesulfonic acid (source substance) for the assessment of trifluoromethanesulfonic anhydride (target substance) in a frame of a read-across approach. The entire justification of the read-across approach is available in the attached document.

Trifluoromethanesulfonic acid fulfils the screening criteria for persistent substances. However, the data indicate that it is neither fulfilling the criterion for toxic substances, the criteria for bioaccumulative (PBT-substances), nor the criteria for very bioaccumulative substances (vPvB-substances).