cyclohexane

(sī'kləhĕk`sān), C₆H₁₂, colorless liquid hydrocarbon. It is a cyclic alkane that melts at 6&degC; and boils at 81&degC;. 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.

Cyclohexane

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.

cyclohexane

[¦sī·klō′hek‚sān] (organic chemistry) C₆H₁₂ A colorless liquid that is a cyclic hydrocarbon synthesized by hydrogenation of benzene; used in organic synthesis. Also known as hexamethylene.

单词	cyclohexane
释义	cyclohexane cy·clo·hex·ane C0835300 (sī′klō-hĕk′sān′)n. A flammable, colorless, mobile liquid cycloalkane, C₆H₁₂, obtained from petroleum and benzene and used in the manufacture of nylon and as a solvent, a paint remover, and a varnish remover. cyclohexane (ˌsaɪkləʊˈhɛkseɪn; ˌsɪk-) n (Elements & Compounds) a colourless insoluble flammable liquid cycloalkane with a pungent odour, made by hydrogenation of benzene and used as a paint remover and solvent. Formula: C6H12 cy•clo•hex•ane (ˌsaɪ kləˈhɛk seɪn, ˌsɪk lə-) n. a colorless, pungent, flammable liquid, C₆H₁₂, used chiefly as a solvent. [1920–25] Translations cicloesano cyclohexane cyclohexane (sī'kləhĕk`sān), C₆H₁₂, colorless liquid hydrocarbon. It is a cyclic alkane that melts at 6&degC; and boils at 81&degC;. 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. Cyclohexane 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. cyclohexane [¦sī·klō′hek‚sān] (organic chemistry) C₆H₁₂ A colorless liquid that is a cyclic hydrocarbon synthesized by hydrogenation of benzene; used in organic synthesis. Also known as hexamethylene.
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cyclohexane

cy·clo·hex·ane

cyclohexane

cy•clo•hex•ane

cyclohexane

cyclohexane

Cyclohexane

cyclohexane