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Related to Cyclohexyl: Cyclohexylamine, Cyclohexyl amine


(sī'kləhĕk`sān), C6H12, colorless liquid hydrocarbon. It is a cyclic alkane that melts at 6°C; and boils at 81°C;. It is nearly insoluble in water. Cyclohexane is found naturally to some extent in petroleum but is prepared commercially by catalytic hydrogenation of benzene. It is widely used as a solvent and in making certain compounds used in the preparation of nylon.



a saturated alicyclic hydrocarbon. A cycloalkane, cyclohexane has the structural formula

It is a colorless liquid with a characteristic odor. It has a melting point of 6.55°C, a boiling point of 80.74°C, and a density of 0.778 g/cm3 at 20°C. Insoluble in water, cyclohexane is miscible with ether, acetone, and benzene. It has two possible conformations —the “boat” and “chair” forms; the latter predominates at normal temperatures.

Cyclohexane is a component of virtually all petroleums, but it is present only in small amounts. It is therefore produced in industry mainly by the catalytic hydrogenation of benzene. It is used as a raw material for the production of cyclohexanol and cyclohexanone (by oxidation with oxygen), nitrocyclohexane (by the action of 30-percent nitric acid or nitrogen dioxide), and cyclohexanone oxime (by nitrosation using NOCl); all of these substances are intermediates in the production of caprolactam and adipic acid by catalytic oxidation. Both caprolactam and adipic acid are used in the production of polyamides.


(organic chemistry)
C6H12 A colorless liquid that is a cyclic hydrocarbon synthesized by hydrogenation of benzene; used in organic synthesis. Also known as hexamethylene.
References in periodicals archive ?
PNA as a nucleating agent for PA6, was synthesized from MDI and cyclohexyl amine with water as dispersing medium, and the process was environmental friendly and beneficial.
Schiff bases C = N C-H C-N Aromatic C-N Cyclohexyl (BROM-ANIS) 1635 2857 1306 1194 (BROM-DMB) 1630 2851 1300 1188 (BROM-MB) 1631 2853 1304 1185 (BROM-HB) 1630 2854 1302 1190 (BROM-o-VANI) 1634 2855 1306 1193 Table 4: Selected I.
Improved chemical and stain resistance is due to a number of contributing factors, including increased crosslink density, the presence of the cyclohexyl ring, and the hydrophobicity of 1,3/1,4-CHDMDA.
Test for the Absence of Cyclohexyl Hydroperoxide in the Reaction Mass
To meet this goal, we synthesized a series of four PAE's that contained either succinic, terephthalic, 4,4'oxybis(benzoic), or cyclohexyl carboxylic acid derivatives.
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Probably electron density is also important as decay tests on trisamide-based nucleating agents showed that additives with three secondary amide groups enhance charge stability, whereas surface potential of samples containing additives with cyclohexyl substituents rapidly decays [3].
g]) within the cyclohexyl diacids series, as indicated by DSC when the molar ratio of 1,4-CHDA to 1,3-CHDA is 1:1.
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