Cyanoic Acid
As Cyansauerstoffsäure (partly as Hydroxocyane ) are different isomeric compounds with the empirical formula referred CHNO that are generally very unstable:
- Cyanic acid : HOC≡N (salts: cyanates)
- Isocyanic acid : O = C = NH (salts: cyanates, esters: isocyanates )
- Knall acid : HC≡NO (salts: Fulminate)
- Isopallic acid : C≡NOH (salts: fulminates, esters: isofulminates)