Molecular Structure of lemongrass oil (CAS NO.8007-02-1): 

IUPAC Name: 1,2-dimethoxy-4-prop-2-enylbenzene ; (2Z)-3,7-dimethylocta-
2,6-dienal; 3,7-dimethylocta-1,6-diene; (2Z)-3,7-dimethylocta-2,6-dien-1-ol ; (1S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-6-ol
density: 0.896 g/mL at 25 °C
Fp: 160 °F
storage temp: 2-8°C
refractive index: n20/D 2.487(lit.)
Product Categories: Essential Oils;Flavors and Fragrances
bp 224 °C(lit.) 
Synonyms:l emongrassoilfromcymbopogoncitratusd.c .; lemongrassoilwestindian ; oiloflemongrass,westindian ; oils,lemongrass ; westindianlemongrassoil;lemongrass;lemongrass oil ; lemongrass oil, east indian
Synonyms:lemongrassoilfromcymbopogoncitratusd.c .; lemongrassoilwestindian ; oiloflemongrass,westindian ; oils,lemongrass ; westindianlemongrassoil;lemongrass;lemongrass oil ; lemongrass oil, east indian

Reported in EPA TSCA Inventory.

Low toxicity by ingestion and skin contact. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes. See also 3,7-DIMETHYL-2,6-OCTADIENAL.
 

Hazard Codes Xi
Risk Statements 38-36/37/38 
R38:Irritating to skin. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.

 lemongrass oil (CAS NO.8007-02-1) is a light yellow to light brown liquid, was clear sweet lemon and herb flavor. Miscible in benzyl benzoate, diethyl phthalate, vegetable oils and propylene glycol, it is not dissolve in glycerol and water, the East Indian type that can easily dissolve in ethanol, edible spices, widely used in various food.