1,2-Ethanedione 107-22-2 4-01-00-03625 (Beilstein Handbook Reference) 83513-30-8 AI3-24108 Aerotex glyoxal 40 BRN 1732463 Biformal Biformyl CCRIS 952 Diformal Diformyl EINECS 203-474-9 Ethanedial GLYOXAL Glyoxal solutions Glyoxal, 29.2