|Optical Rotation||+70° to +80°||72.1°|
|Refractive Index||1.481 to 1.492||1.485|
Soluble, at 20°, in 1 volume or more of ethanol (90%) and in 10 volumes or more of ethanol (80%)
|Weight per ml||0.895 to 0.910||0.904|
|Assay By GC||43 to 63% Carvone Contents||45.3%|
Colourless to pale yellow coloured fluid liquid, odour pleasant and characteristic.