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243051 Sigma-Aldrich

Poly(sodium 4-styrenesulfonate)

average Mw ~70,000, powder

Synonym: PSS, Poly(4-styrenesulfonic acid) sodium salt



Related Categories Anionic Polyelectrolytes - PSSA & Others, Hydrophilic Polymers, Materials Science, Micro/NanoElectronics, Poly(styrenesulfonate) (PSS),
form   powder
mol wt   average Mw ~70,000
viscosity   15-55 cP, 20 %(25 °C, Brookfield)(lit.)
mp   460 °C (dec.)
solubility   water and lower glycols: soluble
density   0.801 g/mL at 25 °C (lit.)


General description

Poly (sodium 4-styrenesulfonate) (PSS) a cation exchange polyelectrolyte. PSS may be used to produce mechanically stable and very reproducible coatings.


Reduction of graphite oxide in the presence of PSS has been reported for the synthesis of polymer-coated graphitic nanoplatelets. Interaction of PSS with metal ions has been studied. PSS combined with Nafion has been reported to be used a mixed coating of Bismuth film electrodes.


100, 500 g in poly bottle

5 g in glass bottle

Features and Benefits

Anionic polyelectrolyte.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles


Nanoarchitecture of Protective Coatings for Air Sensitive Metal Hydrides

Hydrogen storage materials are being considered for safe on-board vehicle storage of H2 gas used to power proton exchange membrane fuel cells. There are various methods for storing hydrogen,1 which i...
Dr. Tabbetha Dobbins, Vimal Kamineni, and Dr. Yuri Lvov
Material Matters 2007, 2.2, 19.
Keywords: Capabilities, Catalysis, Centrifugation, Dehydrogenation, Deposition, Diffraction, Diffusion, Events, Filtration, Indicators, Materials Science, Methods, Nanomaterials, Solvents, Spectroscopy, X-Ray diffraction

Organic Bioelectronic Materials and Devices for Bridging Biology and Traditional Electronics

1 Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA 2 Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL 60611, USA 3 Departmen...
Keywords: Adhesion, Amplification, Bacterial conjugations, C-C bond formation, Coupling reactions, Diffusion, Electronics, Microelectronics, Nanotubes, Neurotransmitters, Polymerization reactions, Reductions, Semiconductor, Solvents, Transduction

Polyelectrolyte Multilayer Films and Membrane Functionalization

Among the many methods for preparing thin films, layer-by-layer (LbL) deposition of complementary polymers has emerged as an especially versatile technique for controlling film thickness and function...
Merlin L. Bruening, Maneesha Adusumilli
Material Matters Volume 6 Number 3
Keywords: Adsorption, Catalysis, Deposition, Diffusion, Digestions, Electrophoresis, Gel electrophoresis, Immobilization, Mass spectrometry, Nanotechnology, Phase transitions, Reductions

Peer-Reviewed Papers


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