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181986

Sigma-Aldrich

Poly(ethylene oxide)

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

Sinónimos:

Polyethylene oxide, PEO

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About This Item

Fórmula lineal:
(-CH2CH2O-)n
Número de CAS:
25322-68-3
MDL number:
MFCD00081839
UNSPSC Code:
12352104
PubChem Substance ID:
24850968
NACRES:
NA.23

product name

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

form

powder

mol wt

average Mv 100,000 (nominal)

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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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.

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Wang, X.-L., et al.
Jiangsu Huagong, 32, 27-27 (2004)
Alexandre Goyon et al.
Electrophoresis, 39(16), 2083-2090 (2018-05-19)
The determination of mAb critical quality attributes (CQA) is crucial for their successful application in health diseases. A generic CZE method was developed for the high-resolution separation of various mAb charge variants, which are often recognized as important CQA. A
Yeonsu Jung et al.
Proceedings of the National Academy of Sciences of the United States of America, 118(3) (2021-01-13)
Mud nests built by swallows (Hirundinidae) and phoebes (Sayornis) are stable granular piles attached to cliffs, walls, or ceilings. Although these birds have been observed to mix saliva with incohesive mud granules, how such biopolymer solutions provide the nest with
I L Konorova et al.
Patologicheskaia fiziologiia i eksperimental'naia terapiia, (4)(4), 7-9 (1991-07-01)
The search for antiaggregatory compounds is undertaken, as a rule, under in vitro conditions which do not reflect the dynamics of the real process. The present work deals with study of the peculiarities of the development of the collagen induced
P I Polimeni et al.
Journal of cardiovascular pharmacology, 14(3), 374-380 (1989-09-01)
The acute hemodynamic effects of an intravenously (i.v.) injected poly(ethylene oxide), Polyox WSR N-60K (dose 50 mg/kg), were studied in the open-chest rat anesthetized with sodium pentobarbital. The injectate is one of four drag-reducing polymers known to augment in vitro
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