| Section2 = | Section3 = | Section7 =,, | SPhrases = | FlashPt = 91 °C }} | Section8 = }} Citral, or 3,7-dimethyl-2,6-octadienal or lemonal, is either of a pair of terpenoids with the molecular formula C10H16O. The two compounds are double bond isomers. The E-isomer is known as geranial or citral A. The Z-isomer is known as neral or citral B. Geranial has a strong lemon odor. Neral has a lemon odor that's less intense, but sweeter. Citral is therefore an aroma compound used in perfumery… (More on Citral)