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DuPont and REACH

DuPont Nafion® Membranes

DuPont Nafion® Membranes may contain the following monomer which has been registered under the REACH legislation. TFE has been registered as a monomer of various polymers within this product line.

Monomer CAS # EC #
TFE (Tetrafluoroethylene) 116-14-3 204-126-9

DuPont Nafion® Membranes are considered articles. The articles and polymers themselves are not subject to registration and therefore their SDS include neither registration numbers nor exposure scenarios for the monomers of these articles.

Should you wish to discuss your uses or if you need more information, please contact us.



This information is based on our current level of knowledge
and expresses only our intention. It does not constitute a binding obligation.
Whilst the information is provided in good faith, no representations or warranties are made with regards to its completeness or accuracy and no liability will be accepted for damages of any nature whatsoever resulting from the use of or reliance on the information.

To understand fully the obligations that you will have under REACH, we recommend that you consult the REACH web site at