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Merck

181986

Poly(ethylene oxide)

greener alternative

average MV 100,000 (nominal), powder, hydroxyl, BHT as inhibitor

Synonym(s):

Polyethylene oxide, PEO

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About This Item

Linear Formula:
(-CH2CH2O-)n
CAS Number:
25322-68-3
UNSPSC Code:
12352104
PubChem Substance ID:
24850968
NACRES:
NA.23
MDL number:
MFCD00081839

Key Documents

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Product Name

Poly(ethylene oxide), average Mv 100,000 (nominal), powder

SMILES string

[H]OCCO

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

form

powder

mol wt

average Mv 100,000 (nominal)

contains

200-500 ppm BHT as inhibitor

greener alternative product characteristics

Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

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

greener alternative category

Aligned

Quality Level

200

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Application

PEO can be used to:
  • Prepare polymer brushes with unique wormlike conformation which can be used in cancer drug delivery systems.
  • Synthesize polymer electrolytes for solid-state batteries and fuel cells.
  • Prepare biodegradable PEO/Ag nanocomposites forbiomedical and food packaging applications.

Features and Benefits

  • High water solubility
  • Non-toxicity
  • Rapid hydration
  • Insensitive to pH of the physiological system

General description

Poly(ethylene oxide) is a non-ionic hydrophilic linear polymer. It can be prepared by catalytic polymerization of ethylene oxide. Owing to its hydration and swelling properties, it is widely used in controlled drug delivery systems and bioadhesive materials.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. Polyethylene glycol (PEG) is an eco-friendly, biodegradable polymer widely used in pharmaceuticals and cosmetics. Its non-toxic nature and versatility make it a sustainable choice, derived from renewable resources, contributing to greener product formulations. Click here for more information.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000476035
0000476035
MKCZ6588
MKCZ4477
0000458137

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  1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. 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.

  6. 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.

  7. 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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