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  • 423475 - Polyethylenimine, 80% ethoxylated solution

423475 Aldrich

Polyethylenimine, 80% ethoxylated solution

35-40 wt. % in H2O, average Mw ~70,000

Synonym: PEI



Related Categories 3D Printing Materials for Research and Development, Branched PEI solutions, Hydrophilic Polymers, Materials Science, Poly(2-oxazoline) and Polyethylenimine (PEI),
mol wt   average Mw ~70,000
concentration   35-40 wt. % in H2O
refractive index   n20/D 1.413
pH   12
transition temp   pour point 0 °C
density   1.08 g/mL at 25 °C



Additive to coatings and printing inks, brightener in electroplating, cationic modifier in clays and starches and adhesion/substantivity promoter.

Features and Benefits

Base polymer

Non-yellowing, film forming polyamine. Highly branched, symmetrical polymer. About 80% of the primary and secondary amines are ethoxylated.

Price and Availability

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Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
UN 3267 8 / PGIII
WGK Germany 
Protocols & Articles


3D Printing of Carbon Fiber-Reinforced Composites

3D printing is a type of additive manufacturing that can be used to rapidly fabricate components with highly customizable geometries, most typically using a layer-by-layer fabrication process. 3D pri...
Zhenyu Bo* (Ph.D Candidate at Northwestern University) and Jia Choi*, PhD, Product Manager

*Materials Science Product Management Team, MilliporeSigma, Milwaukee, WI.
Keywords: Deposition, Nanomaterials, Nanotubes

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

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