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181986 Sigma-Aldrich

Poly(ethylene oxide)

average Mv 100,000, powder

Synonym: PEO



Related Categories Materials Science, Poly(ethylene glycol) and Poly(ethylene oxide), Poly(ethylene oxide) (PEO) Powders, Polymer Science, Polymers More...
Quality Level   200
form   powder
mol wt   average Mv 100,000
contains   200-500 ppm BHT as inhibitor
refractive index   n20/D 1.4539
viscosity   12-50 cP, 5 % in H2O(25 °C, Brookfield)(lit.)
transition temp   Tg −67 °C
  Tm 65 °C
density   1.13 g/mL at 25 °C
Ω-end   hydroxyl
α-end   hydroxyl
SMILES string   [H]OCCO
InChI   1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2



5, 250, 500 g in poly bottle


Used in conjunction with carbon black to form a conductive composite.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
444.2 °F - closed cup
Flash Point(C) 
229.00 °C - closed cup


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
What is the solubility of Poly(ethylene oxide), Product 181986?
According to the chemicals encyclopedia published by the Royal Society of Chemistry:13th Edition, this product is soluble in water and many organic solvents.
What are the endgroups of this particular Poly(ethylene oxide), Product 181986?
According to our supplier, the end groups of this product are hydroxy groups.
What is the polydispersity of Poly(ethylene oxide), Product 181986?
Unfortunately, our supplier has not determined the polydispersity of this product and it is not part of our specifications.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Protocols & Articles


Cell Culture Scaffolds via Bio-orthogonal Click Reactions

1,2Malar A. Azagarsamy, 1Navakanth R. Gandavarapu, 1,2Kristi S. Anseth* 1Department of Chemical and Biological Engineering and 2the Howard Hughes Medical Institute, University of Colorado at Boulder,...
Keywords: Addition reactions, Adhesion, Biomaterials, Catalysis, Cell culture, Cell signaling, Chemical reactions, Click chemistry, Cycloadditions, Degradations, Growth factors, Huisgen Cycloaddition, Ligands, Michael Addition, Peptide synthesis, Polymerization reactions, Step-growth polymerization

Degradable Poly(ethylene glycol) Hydrogels for 2D and 3D Cell Culture

Progress in biotechnology fields such as tissue engineering and drug delivery is accompanied by an increasing demand for diverse functional biomaterials. For decades, research in polymeric biomateria...
Keywords: Absorption, Angiogenesis, Biomaterials, Catalysis, Cell culture, Degradations, Eliminations, Growth factors, Infrared spectroscopy, Ligands, Michael Addition, Polymerization reactions, Ring-opening polymerization

Polyethylene Glycol (PEG) Selection Guide

Poly(ethylene glycol) (PEG) is a synthetic, hydrophilic, biocompatible polymer with widespread use in biomedical and other applications. PEGs are synthesized using a ring-opening polymerization of et...
Keywords: Adhesion, Bacterial conjugations, Click chemistry, Molecular biology, PEGylations, Polymerization reactions, Ring-opening polymerization

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