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202371 Sigma-Aldrich

Poly(ethylene glycol)

average Mn 300

Synonym: PEG

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Properties

Related Categories Essential Chemicals, Materials Science, PEG and Oligo Ethylene Glycol, Poly(ethylene glycol), Poly(ethylene glycol) (PEG) and PEG Solutions,
Quality Level   200
form   viscous liquid
mol wt   Mn 285-315
  average Mn 300
refractive index   n20/D 1.463
pH   6-7 (23 °C, at 10 g/l)
viscosity   5.8 cSt(210 °F)(lit.)
mp   −15-−8 °C (lit.)
density   1.125 g/mL at 25 °C
Mw/Mn   1.1 (typical)
Ω-end   hydroxyl
α-end   hydroxyl
InChI   1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key   LYCAIKOWRPUZTN-UHFFFAOYSA-N

Description

General description

Polyethylene glycol (PEG) is a hydrophilic polymer. It can be easily synthesized by the anionic ring opening polymerization of ethylene oxide, into a range molecular weights and variety of end groups. When crosslinked into networks, PEG can have high water content, forming "hydrogels". Hydrogel formation can be initiated by either crosslinking PEG by ionizing radiation or by covalent crosslinking of PEG macromers with reactive chain ends. PEG is a suitable material for biological applications because it does not trigger an immune response.

Packaging

1 kg in glass bottle

20 kg in poly drum

5, 250, 500 g in glass bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
TQ3630000
Flash Point(F) 
428.0 °F - closed cup
Flash Point(C) 
220.00 °C - closed cup

Single- & multi-channel pipettes from BRAND
Protocols & Articles

Articles

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

Universal Platform for Surface Modification Employing Grafted Polymer Layers

Ultrathin (end-) grafted polymer layers are well known to affect dramatically the surface properties of substrates such as adhesion, lubrication, wettability, friction, and biocompatibility. The laye...
Bogdan Zdyrko, Viktor Klep, Igor Luzinov
Material Matters 2008, 3.2, 44.
Keywords: Adhesion, Materials Science, Microscopy, Nanotechnology, Polymer science, Polymerization reactions, Positron Emission Tomography, Radical polymerization, Ultraviolet-Visible spectroscopy

Peer-Reviewed Papers
15

References

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