Hydrocarbons that contain a 1,3,5-cyclohexatriene group. Compounds that contain only carbon and hydrogen are called hydrocarbons. Hydrocarbons are divided into two groups - aliphatic and aromatic. Aliphatic hydrocarbons can be simple like methane (1) (the main constituent of natural gas), which has only one carbon and four hydrogens, or very complex with branched or cyclic structures like cyclohexane (2) (see Fig. 2). Aliphatic compounds can be divided into categories depending on structural features. They can be
Aromatics are a highly reactive group of hydrocarbons with unsaturated rings of carbon atoms, producing a great variety of products. As their name implies, they have a strong odour, which is not unpleasant.
An organic compound having as part of its structure a benzene ring. ( See Benzene). The term 'aromatic' as used in the fragrance industry is used to describe essential oils, which are not necessarily aromatic in the chemical sense.
A major group of unsaturated cyclic hydrocarbons containing one or more rings (e.g., benzene) (These highly reactive and chemically versatile compounds have a strong, but not unpleasant, odor; thus the name aromatic.)
an aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons. The delocalisation of the (4n+2) pi electrons gives them special stability. For benzene, the most common aromatic system (n = 1, therefore 6 pi electrons), the aromaticity confers the characteristic reactivity of electrophilic substitution.
A type of organic compound in which the characteristic chemical groups are linked to a particular type of six-member hexagonal carbon ring which contains three double bonds, typified by benzene. Such rings have peculiar stability and chemical character, and are present in the rather reactive and highly versatile compounds derived from petroleum and coal tar.
a pungent agent often having an agreeable odor; acts to stimulate the appetite and gastric secretion based on the action of the volatile oil or other aromatic principle; aromatics are used to relieve flatulence, open nasal passages, improve palatability of medicines or give a psychological boost
Affects digestive system and nutrition due to its ability to stimulate the appetite and gastric secretion based on the action of the volatile oil or other aromatic principle. Aromatics are also used to relieve flatulence, open nasal passages, improve palatability of medicines or give a psychological boost. to top of page