Lavender oil is complex oil full of many constituents. The primary components of lavender oil are linalool and linalyl acetate.
The AFNOR recommended levels of linalool are Min: 25% and Max: 38%, although many commercial lavender oils go as high as 51%.
AFNOR recommended levels of linalyl acetate are Min: 25% and Max: 45%.
Other components include a-pinene, limonene, 1,8-cineole, cis- and trans-ocimene, 3-octanone, camphor, caryophyllene, terpinen-4-ol and lavendulyl acetate.
Here is the composition of lavender essential oil as obtained by chromotography, according to Wikipedia. (The quality of the oil tested is unknown):
