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Cyclohexylbenzene

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Cyclohexylbenzene Basic information

Product Name:
Cyclohexylbenzene
Synonyms:
  • PHENYLCYCLOHEXANE
  • 3-Phenylcyclohexane
  • Cyclohexylbenzene,98%
  • Cyclohexylbenzene, 98% 100ML
  • Phenylcyclohexane, 98%+
  • Phenylcyclohexane >=97%
  • Phenylcyclohexane >=99%, acid < 200 ppm, H2O < 100 ppm
  • 1,1'-Biphenyl, 1,2,3,4,5,6-hexahydro-
CAS:
827-52-1
MF:
C12H16
MW:
160.26
EINECS:
212-572-0
Product Categories:
  • Biphenyl & Diphenyl ether
  • 827-52-1
  • YP00036
Mol File:
827-52-1.mol
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Cyclohexylbenzene Chemical Properties

Melting point:
5 °C
Boiling point:
239-240 °C(lit.)
Density 
0.95 g/mL at 25 °C(lit.)
vapor pressure 
25Pa at 25℃
refractive index 
n20/D 1.526(lit.)
Flash point:
210 °F
storage temp. 
Sealed in dry,Room Temperature
solubility 
INSOLUBLE
form 
Liquid
color 
Clear colorless
Odor
pleasant odor
Water Solubility 
INSOLUBLE
λmax
260nm(Cyclohexane)(lit.)
BRN 
1906803
Stability:
Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKey
IGARGHRYKHJQSM-UHFFFAOYSA-N
LogP
5.6 at 20℃
CAS DataBase Reference
827-52-1(CAS DataBase Reference)
NIST Chemistry Reference
Benzene, cyclohexyl-(827-52-1)
EPA Substance Registry System
Cyclohexylbenzene (827-52-1)
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Safety Information

Hazard Codes 
Xn,N
Risk Statements 
22-36/38-50/53
Safety Statements 
26-60-61
RIDADR 
UN 3082 9/PG 3
WGK Germany 
2
RTECS 
CZ1330000
TSCA 
Yes
HazardClass 
9
PackingGroup 
III
HS Code 
29029090

MSDS

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Cyclohexylbenzene Usage And Synthesis

Chemical Properties

Colorless oily liquid. Soluble in alcohol, acetone, benzene, carbon tetrachloride, castor oil, hexane and xylene, insoluble in water and glycerol.

Uses

Cyclohexylbenzene is used as a high boiling point solvent. It finds application as a penetrant used in plastics, painting, and adhesives. It acts as an additive for lithium-ion battery electrolyte to enhance the battery safety. It is used to prepare intermediates such as phenol and cyclohexanone. Further, it is used in the preparation of liquid crystal display (LCD) material intermediate 4-ethyl cyclohexyl benzoic acid.

Preparation

Cyclohexylbenzene is produced by the acid-catalyzed alkylation of benzene with cyclohexene. Under vigorous stirring, the freshly distilled cyclohexene was added dropwise to the mixture of benzene and sulfuric acid, the temperature was kept at 15±5°C, and the addition was completed for about 0.5-1 h. After the addition, the reaction was continued for 1 h. The sulfuric acid layer is separated, the oil layer is washed with water, lye and water in turn, fractionated, firstly, the unreacted benzene is distilled off, then the 230-260 ℃ fraction is collected, and the positive boiling point fraction is collected by fractionation again to obtain the product cyclohexylbenzene.

Synthesis Reference(s)

Tetrahedron, 24, p. 4525, 1968 DOI: 10.1016/S0040-4020(01)96290-8

General Description

These additives have low water content (less than 100 ppm), please handle under inert and moisture free enviornment (glove box). Keep containers tightly closed. Keep away from heat and ignition sources. Store in a cool and dry place. Avoid storing together with oxidizers.

Purification Methods

Purify it by fractional distillation, and by fractional freezing. [Beilstein 5 IV 1424.]

Cyclohexylbenzene Preparation Products And Raw materials

Preparation Products

Raw materials

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