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510211 Sigma-Aldrich

Nafion perfluorinated resin solution

Green Alternative

5 wt. % in mixture of lower aliphatic alcohols and water, contains 45% water

Synonym: D-521



Related Categories Alternative Energy, Chemical Synthesis, Enabling Products, Greener Alternative Products, Material Science Enabling Products,
Quality Level   100
eq. wt.   1,100
contains   45% water
greener alternative product characteristics   Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
concentration   5 wt. % in mixture of lower aliphatic alcohols and water
refractive index   n20/D 1.368
bp   84 °C
density   0.921 g/mL at 25 °C
InChI   1S/C7HF13O5S.C2F4/c8-1(9)2(10)24-5(15,16)3(11,4(12,13)14)25-6(17,18)7(19,20)26(21,22)23;3-1(4)2(5)6/h(H,21,22,23);


General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.


Nafion perfluorinated resin solution is widely used as an electrolytic material. It can be used in the formation of a composite membrane with metal oxides. The membrane further facilitates the formation of chemically stable proton exchange membrane (PEM) fuel cells. It may be coated on mesoporous metallic films to improve the detection and selectivity of biomarkers. It may also form a composite electrode material with graphene for glucose biosensors.

Support material for an integrated system which used solar energy to drive chemical reactions. Acts as a superacid catalyst for organic synthesis. When formed as metal composites, can be used as artificial muscle actuators, solid electrolytes for the analysis of electroactive species in organic media, or as electrodes in organic electrosynthesis.


25, 100 mL in glass bottle

Packaged in glass bottles

Physical form

Hydrogen ion form

Legal Information

Nafion is a trademark of The Chemours Company FC, LLC

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Target organs 
Central nervous system
Supplemental Hazard Statements 
UN 1993BF 3 / PGII
WGK Germany 
Flash Point(F) 
68.0 °F - closed cup
Flash Point(C) 
20 °C - closed cup
Protocols & Articles


Materials Issues in Polymer Electrolyte Membrane Fuel Cells

Fuel cells have the potential to reduce the nation’s energy use through increased energy conversion efficiency and dependence on imported petroleum by the use of hydrogen from renewable resources. Th...
Nancy L. Garland, Thomas G. Benjamin, John P. Kopasz
Material Matters 2008, 3.4, 85.
Keywords: Automotive, Catalysis, Combustion, Degradations, Diffusion, Electronics, Ligands, Mass spectrometry, Phase transitions, Reductions, Renewable energy, Separation

Perfluorosulfonic Acid Membranes for Fuel Cell and Electrolyser Applications

Deborah Jones Institut Charles Gerhardt CNRS–University of Montpellier, 34090 Montpellier, France Email: Deborah.Jones@univ-montp2.fr
Keywords: Degradations, Diffusion, Electron spin resonance, Fluorinations, Hydration reaction, Ion Exchange, Ion-exchange chromatography, Mass spectrometry, Microscopy, Nuclear magnetic resonance spectroscopy, Nucleic acid annealing, Polymerization reactions, Reductions, Scanning electron microscopy, Separation, Solvents, Spectroscopy, Transmission electron microscopy

Related Content

PEM Fuel Cells

Fuel cells are an alternative energy technology that generate electric energy through the reaction between hydrogen (or a hydrogen-rich fuel source) and oxygen. These devices are particularly interes...
Keywords: Alternative energy, Chemical reactions, Combustion, Electrochemical reactions, Oxidations, Reductions

Peer-Reviewed Papers


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