Dibutyl oxalate CAS No.ú¦2050-60-4 Molecular Formulaú¦C10H18O4 Molecular Weightú¦202.2498 Contentsú¦99.0% Appearance: colourless oiliness liquid with balmy odor. Melting Point: 29.6íµ Boiling Point:245.5íµ Relative Desnity: 0.9873 ND20:1.4180 Applicationú¦ used in organic synthesis 200kgs/drum