Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

No data could be identified describing effects to skin or eyes when performing a literature search in public databases. However, the substance is widely classified as irritating to skin, eyes and respiratory tract by various suppliers, although not supported by any valid data.


Considering that the substance perfluoro-tert. butanol is reported to be slightly acidic, irritation to skin, eyes and respiratory tract is considered likely and thus in a precautionary approach such classification is supported.

Key value for chemical safety assessment

Skin irritation / corrosion

Endpoint conclusion
Endpoint conclusion:
no study available

Eye irritation

Endpoint conclusion
Endpoint conclusion:
no study available

Additional information

Justification for classification or non-classification

Considering that the substance perfluoro-tert. butanol is reported to be slightly acidic, irritation to skin, eyes and respiratory tract is considered likely and thus in a precautionary approach such classification is supported. Accordingly, the substance is classified in a self-classification as skin irritant, category 2 (H315), eye irritant category 2 (H319 and respiratory irritant (STOT SE3, H335) according to CLP (Regulation EC No 1272/2008).