ChemicalBook > CAS DataBase List > Cyclohexa-1,4-diene

Cyclohexa-1,4-diene

Product Name
Cyclohexa-1,4-diene
CAS No.
628-41-1
Chemical Name
Cyclohexa-1,4-diene
Synonyms
1,4-CYCLOHEXADIENE;1,4-CHD;1,4-DIHYDROBENZENE;1,4-CycL;ohexadiene;Cyclohexa-1,4-diene;1,4-Cyclohexanediene;1,4-Cyclohexadiene 97%;1,4-Cyclohexadiene ,98%;1,4-Cyclohexadiene 
CBNumber
CB4208916
Molecular Formula
C6H8
Formula Weight
80.13
MOL File
628-41-1.mol
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Cyclohexa-1,4-diene Property

Melting point:
-49.2 °C
Boiling point:
88-89 °C (lit.)
Density 
0.847 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.472(lit.)
Flash point:
20 °F
storage temp. 
2-8°C
form 
Liquid
color 
Clear colorless
Water Solubility 
Miscible with organic solvents like diethyl ether, tetrahydrofuran and toluene.Immiscible with water.
BRN 
1900733
Exposure limits
ACGIH: TWA 2 mg/m3
NIOSH: TWA 10 mg/m3
Dielectric constant
2.2599999999999998
Stability:
Stable. Highly flammable. Incompatible with strong oxidizing agents.
InChIKey
UVJHQYIOXKWHFD-UHFFFAOYSA-N
LogP
2.300
CAS DataBase Reference
628-41-1(CAS DataBase Reference)
NIST Chemistry Reference
1,4-Cyclohexadiene(628-41-1)
EPA Substance Registry System
1,4-Cyclohexadiene (628-41-1)
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Safety

Hazard Codes 
F,T
Risk Statements 
11-48/20/21/22-46-45
Safety Statements 
53-45-16
RIDADR 
UN 3295 3/PG 2
WGK Germany 
3
F 
23
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29021990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H340May cause genetic defects

H350May cause cancer

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
125415
Product name
1,4-Cyclohexadiene
Purity
97%
Packaging
5ml
Price
$70.1
Updated
2024/03/01
Sigma-Aldrich
Product number
125415
Product name
1,4-Cyclohexadiene
Purity
97%
Packaging
25ml
Price
$171
Updated
2024/03/01
TCI Chemical
Product number
C0468
Product name
1,4-Cyclohexadiene (stabilized with BHT)
Purity
>98.0%(GC)
Packaging
10mL
Price
$95
Updated
2024/03/01
TCI Chemical
Product number
C0468
Product name
1,4-Cyclohexadiene (stabilized with BHT)
Purity
>98.0%(GC)
Packaging
25mL
Price
$215
Updated
2024/03/01
Alfa Aesar
Product number
L07337
Product name
1,4-Cyclohexadiene, 97% stab. with 0.1% BHT
Packaging
5g
Price
$44.7
Updated
2024/03/01
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Cyclohexa-1,4-diene Chemical Properties,Usage,Production

Chemical Properties

colourless liquid

Uses

Reagent for selectively cleaving benzyl esters in the presence of benzyl ethers by catalytic H-transfer.

Uses

Forms benzene at elevated temperatures in the presence of a ruthenium(II)-triphenylphosphine catalyst.1

Uses

1,4-Cyclohexadiene is used to study the formation of parent ion from heavy fragmentation on irradiation with a high-intensity laser pulse. It is also used as a very effective hydrogen donor for catalytic hydrogenation reaction. It forms benzene at elevated temperatures in the presence of a ruthenium(II)-triphenylphosphine catalyst.

Definition

ChEBI: Cyclohexa-1,4-diene is a cyclohexadiene.

General Description

1,4-Cyclohexadiene is an effective hydrogen donor for catalytic hydrogenation reactions. It can rapidly replace benzyl groups of N-benzyloxycarbamates, benzyl esters, benzyl ethers and benzyl amines with hydrogen. It forms benzene at elevated temperatures in the presence of a ruthenium(II)-triphenylphosphine catalyst.

Purification Methods

Dry the diene over CaCl2 and distil it in a vacuum under N2. [Hückel & W.rffel Chem Ber 88 338 1955, Giovannini & Wegmüller Helv Chim Acta 42 1142 1959.] [Beilstein 5 IV 385.]

Cyclohexa-1,4-diene Preparation Products And Raw materials

Raw materials

Xylene Nitrogen Ethanol 1,4-Dichlorobutane Sodium Benzene Methanol Magnesium sulfate

Preparation Products

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View Lastest Price from Cyclohexa-1,4-diene manufacturers

Henan Fengda Chemical Co., Ltd
Product
Cyclohexa-1,4-diene 628-41-1
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-26
Zhuozhou Wenxi import and Export Co., Ltd
Product
1,4-Cyclohexadiene purum, >=97.0% (GC) 628-41-1
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27

628-41-1, Cyclohexa-1,4-dieneRelated Search:

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  • Cyclohexa-1,4-diene ISO 9001：2015 REACH
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  • 628-41-1
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