Abstract: This paper reports chemical constituents of the essential oil from the leaves of Cinnamomum tenuipilis Kosterm. By applying PGC, GC/MS/DS, IR and other methods, 12 components have been identified. These components are: 3-hexen-l-ol, ocimene, L-linalool, geraniol, α-copaene, β-caryophyllene, t-β-farnesene, α-humulene, δ-cadinene, (Z)-β-farnesene, diphenylamine, farneol etc. The total content of the above 12 compounds is 99.94 percent of the essential oil. L- linalool amounts to 97.51%.

Key words: L-linalool, Analyses of the essential oil, Cinnamomum tenuipilis kosterm