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42117 Nafion® D-521 dispersion, 5% w/w in water and 1-propanol, ≥0.92 meq/g exchange capacity

CAS Number
Perfluorosulfonic acid-PTFE copolymer, 5% w/w solution

Stock No. Size Price ($) Quantity Availability
42117-AC 25ml 54.80
42117-AE 100ml 139.00
42117-AP 500ml 516.00
42117-K4 2.5L 2057.00
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Nafion® D-521 dispersion, 5% w/w in water and 1-propanol, ≥0.92 meq/g exchange capacity


Chemical Properties

Flash Point
Storage & Sensitivity
Ambient temperatures.
Insoluble in water.


Preparation of thin films and coatings; proton exchange membranes.Nafion|r D-521 dispersion, 5% w/w in water and 1-propanol is used in the fabrication of thin films and coating formulations for fuel cell membranes, catalyst coatings, sensors, and a variety of electrochemical applications.


Hygroscopic. Incompatible with strong oxidizing agents and strong acids.

Literature References

Kim, B. G.; Han, T. H.; Cho, C. G. Sulfonated Graphene Oxide/Nafion Composite Membrane for Vanadium Redox Flow Battery. J. Nanosci. Nanotechnol. 2014, 14 (12), 9073-9077.


Corrales-Sánchez, T.; Ampurdanés, J.; Urakawa, A. MoS2-based materials as alternative cathode catalyst for PEM electrolysis. Int. J. Hydrogen Energy 2014, 39 (35), 20837-20843.

GHS Hazard and Precautionary Statements

Hazard Statements: H226-H335-H336

Flammable liquid and vapour. May cause respiratory irritation. May cause drowsiness or dizziness.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P271-P280-P303+P361+P353-P304+P340-P312-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician if you feel unwell. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


  • A12616

    Pyrrole, 98+%
  • L14000

    Hydrogen peroxide, 35% w/w aq. soln., stab.
  • 42180

    Nafion® N-117 membrane, 0.180mm thick, ≥0.90 meq/g exchange capacity
  • 42469

    Silver conductive adhesive paste
  • 45780

    Sodium hydroxide, beads/pellets, 99.99% (metals basis)

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