Ethylene glycol dimethacrylate

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Ethylene glycol dimethacrylate[1]
Skeletal formula
Ball-and-stick model
IUPAC name
2-(2-Methyl-acryloyloxy)ethyl 2-methyl-acrylate
Other names
Methacrylic acid, ethylene ester; 1,2-Bis(methacryloyloxy)ethane; 1,2-Ethanediol dimethacrylate; Diglycol dimethacrylate; Ethanediol dimethacrylate; Ethylene dimethacrylate; Ethylene glycol bis(methacrylate); Ethylene glycol dimethacrylate; Ethylene methacrylate
3D model (JSmol)
Abbreviations EGDMA
ECHA InfoCard 100.002.380
Molar mass 198.22 g·mol−1
Density 1.051 g/mL
Boiling point 98 to 100 °C (208 to 212 °F; 371 to 373 K) (5 mmHg)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Ethylene glycol dimethylacrylate (EGDMA) is a diester formed by condensation of two equivalents of methacrylic acid and one equivalent of ethylene glycol.[2]

EGDMA can be used in free radical copolymer crosslinking reactions. 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.


  1. ^ Ethylene glycol dimethacrylate at Sigma-Aldrich
  2. ^ Bielstein 2, IV, 1532