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Merck
CN

125431

Cyclohexene

inhibitor-free, ReagentPlus®, 99%

Synonym(s):

Tetrahydrobenzene

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About This Item

Empirical Formula (Hill Notation):
C6H10
CAS Number:
110-83-8
Molecular Weight:
82.14
UNSPSC Code:
12352100
NACRES:
NA.21
PubChem Substance ID:
57647002
EC Number:
203-807-8
Beilstein/REAXYS Number:
906737
MDL number:
MFCD00001539
Assay:
99%
Bp:
83 °C (lit.)
Vapor pressure:
160 mmHg ( 20 °C)

Key Documents

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Product Name

Cyclohexene, inhibitor-free, ReagentPlus®, 99%

InChI key

HGCIXCUEYOPUTN-UHFFFAOYSA-N

InChI

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

SMILES string

C1CCC=CC1

vapor density

2.8 (vs air)

vapor pressure

160 mmHg ( 20 °C)

product line

ReagentPlus®

assay

99%

form

liquid

autoignition temp.

590 °F

expl. lim.

5 %

dilution

(for general lab use)

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.)

Quality Level

200

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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.

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.

Legal Information

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

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Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

1.4 °F

flash_point_c

-17 °C

ppe

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ6369
MKCZ4159
MKCZ2156
MKCW2541
MKCV6005

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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)
Catalytic hydrogenation of cyclohexene: 3. Gas-phase and liquid-phase reaction on supported palladium.
Gonzo EE and Boudart M.
J. Catal., 52(3), 462-471 (1978)
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