Borneol flakes Borneol exists as two enantiomers which have two different cas numbers. Naturally occurring d-(+)-borneol is optically active. It can be found in several species of artemisia and dipterocarpaceae. Borneol is used in traditional chinese medicine as moxa. Borneol is also a component of many essential oils, and it is a natural insect repellent. Chemical name Borneol flakes, ((1s)-endo)-(-)-borneol, endo-1, 7, 7-trimethylbicyclo[2.2.1]heptan-2-ol, l-borneol, endo-1, 7, 7-trimethyl-bicyclo[2.2.1]heptan-2-ol, endo-2-bornanol, baros camphor, bhimsaim camphor, borneo camphor, bornyl alcohol, 2-hydroxycamphane, 2-camphanol, camphol, malayan camphor, sumatra camphor, dryobalanops camphor