An Overview of Cyclohexane


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Essay #: 054107
Total text length is 3,916 characters (approximately 2.7 pages).

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The beginning:
An Overview of Cyclohexane
Cyclohexane is a cyclic alkane with formula C6H6 (Mw = 84.16, CAS 110-82-7) and as such is a non-polar, organic compound.
Its physical properties are governed by its non-polarity. Thus, cyclohexane is a clear liquid, with a pungent, petroleum-like smell. As a non-polar liquid it has relatively low boiling point (353.85 K) and relatively high melting point (280.62 K) with a high vapour pressure (16.2 kPa at 30oC). As other liquid hydrocarbons it has low specific gravity: 0.77855 at 20 degrees C (293.15K). 2 Due to its low polarity cyclohexane is virtually immiscible with water and other high polarity solvents while it is freely miscible with other liquid hydrocarbons.
Since cyclohexane belongs in the alkane group,...
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..... majority of cyclohexane, about 98% produced in concentrated form is used as a raw material in the first step of nylon-6 and nylon-6,6 manufacture. 2 It is also used as a solvent, in a mixture with other hydrocarbons, for cellulose ethers, resins, waxes, fats, oils, bitumen and rubber.
Cyclohexane is an irritant of the eyes and mucous membranes in humans. Exposure to 300 ppm caused irritation to the eyes and mucous membranes, while exposure to higher concentrations is most likely to cause dizziness, nausea, and other narcotic effects. On repeated contact, cyclohexane is a defatting agent. Chronic dermal contact may cause a dry, scaly, fissured dermatitis.2
Figure 1. The structures of two cyclohexane conformers: chair (left) and boat (right)