Ethylene dimethacrylate (ethylene glycol dimethacrylate) [ 97 -90 -5 ] M 198.2, b 98-
1 0 0o/5mm, d 420 1.053, n D 20 1 . 4 5 6 . Distil it through a short Vigreux column (p 11) at about 1mm
pressure, in the presence of 3% (w/w) of phenyl-ß-naphthylamine. [Beilstein 2 IV 1532.]