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409537 Sigma-Aldrich

Poly(ethylene glycol) methacrylate

average Mn 360, contains 500-800 ppm MEHQ as inhibitor

Synonym: Ethoxylated 2-hydroxyethyl methacrylate, PEGMA, Poly(ethylene oxide) monomethacrylate



Related Categories Acrylate/Methacrylate Functionalized, Heterobifunctional PEGs, Hydroxyl Functionalized, Hydroxyl-PEG-Methacrylte(HO-PEG-MA), Materials Science,
Quality Level   200
mol wt   average Mn 360
contains   500-800 ppm MEHQ as inhibitor
reaction suitability   reagent type: cross-linking reagent
reaction type: Polymerization Reactions
refractive index   n20/D 1.464
density   1.105 g/mL at 25 °C
Ω-end   hydroxyl
α-end   methacrylate
polymer architecture   shape : linear
functionality : heterobifunctional
InChI   1S/C6H10O3/c1-5(2)6(8)9-4-3-7/h7H,1,3-4H2,2H3


General description

Polyethylene glycol (PEG) is a suitable material for biological applications since it does not trigger an immune response. It can by synthesized by anionic ring opening polymerization of ethylene oxide with a range of end groups (such as methacrylate: PEGMA) attached. PEG is a hydrophilic polymer that can form hydrogels when cross linked into networks. Acrylate and methacrylate chain ends undergo chain polymerization to from PEGMA hydrogels.


5, 100, 500 mL in glass bottle

Physical form

Monomethacrylate functionalized

Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis (COA)

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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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Peer-Reviewed Papers


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