The essential oil of citrus grandis was studied for its chemical composition. The GC and GC/ MS studies revealed the presence of 27 compounds in the essential oil of citrus grandis, out of which 18 compounds were identified. Limonene (72.312 %), isosafroal (4.701 %), a-terpinene (2.130 %), terpinolene (2.016 %), trans-sabinenehydratc, (1.987 %), ,6-citronellol (1.811 %), nerol (1.715 %), Linalool (1.684 %), myrcenc (1.643 %), a·terpineo1 (1.591 %), geraniol (1 B15 %), A°~  carene (1.213 %), allo-ocimene (1.176 %) and linalyl acetate (1.013 %) were recorded as the principal constituents.  


S REHMAN ,M N KHAN ,S MAHMUD ,M A MUNAWAR ,A K QURESHI ,