Hydroquinone was invented in 1843.
 As a polymerisation inhibitor, exploiting its antioxidant properties, hydroquinone prevents polymerization of acrylic acid, methyl methacrylate, cyanoacrylate, and other monomers that are susceptible to radical-initiated polymerization
Hydroquinone is thought to be the active toxin in Agaricus hondensis mushrooms

