MarketEthylene glycol dimethacrylate
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Ethylene glycol dimethacrylate

Ethylene glycol dimethylacrylate (EGDMA) is a diester formed by condensation of two equivalents of methacrylic acid with ethylene glycol. It is a colorless viscous liquid. It is sometimes called ethylene dimethacrylate.

Polymerization
Containing a pair of reactive alkene groups, EGDMA is a crosslinking agent. Like other acrylates, it is susceptible free radical polymerization. When used with methyl methacrylate, it leads to gel point at relatively low concentrations because of the nearly equivalent reactivities of all the double bonds involved. As a monomer, It is used to prepare hydroxyapatite/poly methyl methacrylate composites. ==Preparation==
Preparation
EGDMA is also synthesized by esterification of methacrylic acid with ethylene glycol: : It also forms inadvertently in the hydroxyethylation of methacrylic acid, which is usually intended to give (hydroxyethyl)methacrylate: : ==Safety==
Safety
Its toxicity profile has been fairly well studied. ==References==
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