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561126 Sigma-Aldrich

Polyaniline (emeraldine salt) short chain, grafted to lignin




Related Categories Emeraldine Salts, Materials Science, Materials for Buffer Layer, Organic Photovoltaic (OPV) Materials, Organic and Printed Electronics,
form   powder
contains   ligno-sulfonic acid as dopant
particle size   2-3 μm
pH   1.95 (5 wt. % in H2O)
conductivity   1-2 S/cm (pressed pellet)



Additive in polymer blends and liquid dispersions for corrosion resistant coatings; antistatic fabrics, coatings, and packaging; conductive inks and adhesives; printed circuit boards; radar and microwave absorption; EMI/RFI shielding; sensors.


10 g in poly bottle

Features and Benefits

Inherently conductive polymer. Redox active up to a pH of 9.

Chem/Phys Resistance

Stable at 300 °C for 30 mins. Insoluble in most solvents. Dispersible over a wide pH range in water and polar, protic organic solvents including isopropanol, DMSO, DMF, and NMP.

Other Notes

Shake well before use.

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & Articles


Applications of Conducting Polymer Devices in Life Sciences

Leslie H. Jimison1, Dion Khodagholy1, Thomas Doublet1,2, Christophe Bernard2, George G. Malliaras1, and Róisín M. Owens1 1Department of Bioelectronics, Ecole Nationale Supérieure des Mines CMP-EMSE, ...
Keywords: Bacterial conjugations, Cancer, Cell culture, Diagnostic, Diffusion, Electronics, Gastrointestinal, Immunofluorescence, Organic electronics, Semiconductor, Spectroscopy

Lithography Nanopatterning Tutorial

Lithography Nanoimprint Lithography Soft Lithography Photochemical Acid Generators Nanopatterning Nanopatterning via Phase Separation of Polymers Self-Assembled Monolayer Systems (SAMS) Norbornadiene...
Keywords: Adhesion, Adsorption, Amplification, Asymmetric synthesis, Biomaterials, Building blocks, Catalysis, Cycloadditions, Deposition, Eliminations, Evaporation, Hydrogenations, Isomerizations, Materials Science, Microelectronics, Petrochemical, Pharmaceutical, Rearrangements, Ring opening metathesis polymerisation, Semiconductor, Separation, Solvents, Spin coating, Thin film deposition, transformation

Understanding and Successfully Applying Materials for Dye-Sensitized Solar Cells

Hans Desilvestro, Yanek Hebting, Mikael Khan, Damion Milliken Dyesol, Queanbeyan NSW 2620, Australia Email: yhebting@dyesol.com
Keywords: Absorption, Adhesion, Adsorption, Bacterial conjugations, Calorimetry, Deposition, Diffusion, Electronics, Extinction coefficient, Hydroxylations, Ligands, Mass spectrometry, Nucleic acid annealing, Oxidations, PAGE, Printed electronics, Recombination, Reductions, Semiconductor, Solar cells, Solvents

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