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Merck

372773

Poly(ethylene oxide)

greener alternative

average MV 400,000 (nominal), powder, hydroxyl, BHT as inhibitor

Synonym(s):

Polyethylene oxide, PEO

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MXP 1,806.00

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MXP 1,806.00

Estimated to ship onJanuary 05, 2026Details

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About This Item

Linear Formula:
(-CH2CH2O-)n
CAS Number:
25322-68-3
UNSPSC Code:
12352104
PubChem Substance ID:
24863164
NACRES:
NA.23
MDL number:
MFCD00081839

Key Documents

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Product Name

Poly(ethylene oxide), average Mv 400,000 (nominal), powder

form

powder

SMILES string

[H]OCCO

InChI

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

mol wt

average Mv 400,000 (nominal)

contains

200-500 ppm BHT as inhibitor

greener alternative product characteristics

Safer Solvents and Auxiliaries
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sustainability

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viscosity

2,250-4,500 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

transition temp

Tm 65 °C

Ω-end

hydroxyl

α-end

hydroxyl

application(s)

battery manufacturing

greener alternative category

Aligned

Quality Level

200

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This Item
182028182001181986
Poly(ethylene oxide) average Mv 400,000 (nominal), powder

Sigma-Aldrich

372773

Poly(ethylene oxide)

Poly(ethylene oxide) average Mv 600,000 (nominal), powder

Sigma-Aldrich

182028

Poly(ethylene oxide)

Poly(ethylene oxide) average Mv ~300,000 (nominal), powder

Sigma-Aldrich

182001

Poly(ethylene oxide)

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

Sigma-Aldrich

181986

Poly(ethylene oxide)

form

powder

form

powder

form

powder

form

powder

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

200

mol wt

average Mv 400,000 (nominal)

mol wt

average Mv 600,000 (nominal)

mol wt

average Mv ~300,000 (nominal)

mol wt

average Mv 100,000 (nominal)

contains

200-500 ppm BHT as inhibitor

contains

200-500 ppm BHT as inhibitor

contains

200-500 ppm BHT as inhibitor

contains

200-500 ppm BHT as inhibitor

viscosity

2,250-4,500 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

viscosity

4,500-8,800 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

viscosity

600-1,200 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

viscosity

12-50 cP, 5 % in H2O(25 °C, Brookfield)(lit.)

transition temp

Tm 65 °C

transition temp

Tm 65 °C

transition temp

Tm 65 °C

transition temp

Tg −67 °C, Tm 65 °C

Application

PEO can be used in applications such as biomedical, energy and surface functionalization of nanoparticles.[1][2][3]

General description

Poly(ethylene oxide) (PEO) is a higher molecular weight (Mv 400,000) thermoplastic water soluble polymer that is formed by the polymerization of ethylene oxide.[4]
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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT6943
MKCR3901
MKCM9432
MKCK0906
MKCK1633

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Polycaprolactone-b-poly (ethylene oxide) copolymer micelles as a delivery vehicle for dihydrotestosterone
Allen C, et al.
Journal of Controlled Release : Official Journal of the Controlled Release Society, 63(3), 275-286 (2000)
Alexander Yang et al.
Biophysical journal, 112(7), 1462-1471 (2017-04-14)
Many species of bacteria can spread over a moist surface via a particular form of collective motion known as "surface swarming". This form of motility is typically studied by inoculating bacteria on a gel formed by 0.4-1.5% agar, which contains
Poly(Ethylene Oxide) (2012)
Fabrication and properties of composites of poly (ethylene oxide) and functionalized carbon nanotubes
Geng HZ, et al.
Advanced Materials, 14(19), 1387-1390 (2002)
Poly (ethylene oxide)-based electrolytes for lithium-ion batteries
Xue Z, et al.
Journal of Material Chemistry A, 3(38), 19218-19253 (2015)
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