Para-cymene, a naturally occurring aromatic organic compound, is a monoterpene with the chemical formula C10H14. It is also referred by other names such as p-cymene, cymol, p-cymol, p-methylcumene, camphogen and 4-cymene. Its structure consists of a benzene ring para-substituted with a methyl group and an isopropyl group.
It is transparent liquid, optically inactive, found in essential oils, possessing an odour typical of the aromatic hydrocarbons. It is characterised by pleasant fresh citrus fragrance.It floats on water and it mixes well with ethanol and diethyl ether.
Para-cymene occurs in numerous volatile oils— for example, in Swedish and Russian turpentine oil, in oil of lemon, sage, thymol, coriander, cumin, ajowan, nutmeg, origanum, savoury, star anise, cinnamon, etc. Also, the so-called commercial “thymene” consists mainly of p-cymene.
Colourless mobile liquid
Citrus, mild, pleasant odour
0.853-0.859 @ 25°C
1.484-1.491 @ 20°C
100% Pure and Natural
Soluble in alcohols and oils; Insoluble in water