Structure of Benzene (C6H6)

What is Benzene?

Benzene is one of the most commonly known aromatic compounds with chemical formula C6H6

Benzene is a naturally occurring substance produced by volcanoes and forest fires and present in many plants and animals, but benzene is also a major industrial chemical made from coal and oil.

Benzene is one of the organic and simplest aromatic hydrocarbon and the parent compound of which has about a numerous number of important aromatic compounds. The compound appears like a colourless liquid having a characteristic odour. This compound is primarily utilized for producing polystyrene. It is said to be highly toxic in nature and is also known as a carcinogen; which exposure to this may lead to leukemia.

Benzene Structure

Benzene Structure

Structure of Benzene

Structure of Benzene

The structural representation of benzene is as shown in the figure below. The chemical formula for benzene is C6H6, i.e it has 6 hydrogen- H atoms and six-carbon atoms and has an average mass of about 78.112. The structure has a six-carbon ring which is represented by a hexagon and it includes 3-double bonds. The carbon atoms are represented by a corner that is bonded to other atoms.

Benzene Ring

Benzene Ring Structure

In benzene, the atoms are hydrogens. The double bonds within this structure are mainly separated by a single bond, hence this arrangement is recognized to have conjugated double bonds. A circle is used as an alternative symbol inside the hexagon that is used to represent six pi electrons.

Due to the chemical formula, benzene is categorized as a hydrocarbon. It is a compound consisting of only hydrogen and carbon atoms. The formulas and structure reveal benzene as a pure aromatic hydrocarbon, wherein it is also defined as a compound composing hydrogen & carbon having alternate double bonds in the form of the ring.

History of Benzene

Benzene was discovered in the year 1825 by Michael Faraday in illuminating gas. In the year 1834, a German chemist naming Eilhardt Mitscherlich heated the benzoic acid with lime, which produced benzene. Later In the year 1845, a German chemist named A.W. von Hofmann isolated this benzene from coal tar.

Benzene is widely utilized chemicals that are involved in various manufacturing products that we use daily such as plastics, detergents, and rubber.

Health Effects

  • Benzene is harmful especially to the tissues that form blood cells. How benzene affects human health depend on how much and how long a person is exposed to it.
  • Benzene has been recognized as a toxic substance that causes acute and chronic health problems. The inhalation of benzene vapors causes irritation to the eyes and upper respiratory tract.
  • Skin contact with solvents containing benzene causes dry, itching, cracked and fissured skin.
  • Long term inhalation of high levels of benzene results in headaches, dizziness, nausea, convulsions, coma and eventually death.
  • Scientific evidence has established that employee exposure to low levels of benzene can cause leukemia and other diseases of the blood-forming organs, such as multiple myeloma, a cancer of the plasma cells as well as anemia and low blood count which can result in tiredness, lung infections and bruising of the skin.

The study more about Benzene and its properties stay tuned with BYJU’S.

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