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125431

Sigma-Aldrich

Cyclohexene

inhibitor-free, ReagentPlus®, 99%

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Synonym(s):
Tetrahydrobenzene
Empirical Formula (Hill Notation):
C6H10
CAS Number:
Molecular Weight:
82.14
Beilstein/REAXYS Number:
906737
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor density

2.8 (vs air)

Quality Level

vapor pressure

160 mmHg ( 20 °C)

product line

ReagentPlus®

assay

99%

form

liquid

autoignition temp.

590 °F

expl. lim.

5 %

refractive index

n20/D 1.446 (lit.)

bp

83 °C (lit.)

mp

−104 °C (lit.)

solubility

water: insoluble

density

0.811 g/mL at 25 °C (lit.)

SMILES string

C1CCC=CC1

InChI

1S/C6H10/c1-2-4-6-5-3-1/h1-2H,3-6H2

InChI key

HGCIXCUEYOPUTN-UHFFFAOYSA-N

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1 of 4

This Item
29240RTC00008944028
vibrant-m

125431

Cyclohexene

vibrant-m

29240

Cyclohexene

vibrant-m

RTC000089

Cyclohexane

vibrant-m

44028

Cyclohexene

assay

99%

assay

≥99.0%

assay

-

assay

≥99.5% (GC)

solubility

water: insoluble

solubility

-

solubility

-

solubility

-

form

liquid

form

-

form

-

form

-

refractive index

n20/D 1.446 (lit.)

refractive index

n20/D 1.446 (lit.)

refractive index

n20/D 1.426 (lit.)

refractive index

n20/D 1.446 (lit.)

density

0.811 g/mL at 25 °C (lit.)

density

0.811 g/mL at 25 °C (lit.)

density

0.779 g/mL at 25 °C (lit.)

density

0.811 g/mL at 25 °C (lit.)

General description

Cyclohexene is a cyclic alkene. Kinetics of its reaction with hydrogen in gas and liquid phases over different palladium catalysts supported on silica gel and alumina (temperature range = 264 to 308K and hydrogen pressures = 4 to 89kPa) was investigated. Cyclohexene is formed during the batch-wise partial hydrogenation of benzene over ruthenium catalysts in the presence of an aqueous zinc sulphate solution. Cyclohexene undergoes enantioselective catalytic oxidation in the presence of hydrogen peroxide over environment-friendly peroxytungstate-organic complex catalysts to afford adipic acid. Selective hydrogenation of benzene has been reported to afford cyclohexene. It is an important precursor for the preparation of various chemicals such as cyclohexanol, cyclohexene hydroperoxide, etc.

Application

Cyclohexene has been used to investigate the kinetics of its liquid-phase hydrogenation reaction in the presence of Pd-Al catalyst supported on biomorphic carbon. It may be used for the industrial preparation of cyclohexanol.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

1.4 °F

flash_point_c

-17 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Kinetics of liquid phase cyclohexene hydrogenation on Pd-Al/biomorphic carbon catalysts.
Caza?a F, et al.
Catalysis Today, 14-14 (2014)
Yuan Fang et al.
The journal of physical chemistry letters, 10(3), 468-473 (2019-01-03)
The adsorption of limonene, a common organic compound found in indoor air, on hydrophilic surfaces such as glass (SiO2), a prevalent surface in the indoor environment, is poorly understood. In this study, we have investigated the interaction of limonene and
Hydration of cyclohexene with solid acid catalysts.
Zhang H, et al.
Chemical Engineering Science, 57(2), 315-322 (2002)
Partial liquid phase hydrogenation of benzene to cyclohexene over ruthenium catalysts in the presence of an aqueous salt solution: I. Preparation, characterization of the catalyst and study of a number of process variables.
Struijk J, et al.
Applied Catalysis A: General, 83(2), 263-295 (1992)
Clean synthesis of adipic acid by direct oxidation of cyclohexene with H2O2 over peroxytungstate-organic complex catalysts.
Deng Y, et al.
Green Chemistry, 1(6), 275-276 (1999)

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