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Cyclohexa-1,4-diene

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
Dielectric constant 2.2599999999999998
Exposure limits ACGIH: TWA 2 mg/m3
NIOSH: TWA 10 mg/m3
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)
FDA UNII 0F8Z5909QZ
NIST Chemistry Reference 1,4-Cyclohexadiene(628-41-1)
EPA Substance Registry System 1,4-Cyclohexadiene (628-41-1)
UNSPSC Code 12352100
NACRES NA.22

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NFPA 704:

Hazard and Precautionary Statements (GHS)

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Cyclohexa-1,4-diene Chemical Properties,Usage,Production

Chemical Properties colourless liquid
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.
Uses Forms benzene at elevated temperatures in the presence of a ruthenium(II)-triphenylphosphine catalyst.1
Uses Reagent for selectively cleaving benzyl esters in the presence of benzyl ethers by catalytic H-transfer.
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.]

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628411
1,4-环己二烯*5
1,4-环己二烯, 含稳定剂: 0.1% BHT
1,4-环己二烯, 97% 0.1% BHT 作为稳定剂
1,4-环己二烯,稳定,97%
1,4-环己二烯, 97% STAB. WITH 0.1% BHT
1,4-环己二烯/1,4-二氢苯
1,4-环己二烯 628-41-1
4-二氢苯
1，4-环己二烯
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对二氢苯
1,4-二氢苯
1,4-环己二烯(含稳定剂BHT)
628-41-1
1,4-Cyclohexadiene, 95%
1,4-Cyclohexadiene (8CI, 9CI, ACI)
1,4-CHD
1,4-DIHYDROBENZENE
1,4-CYCLOHEXADIENE
Cyclohexa-1,4-diene ISO 9001：2015 REACH
1,4-Cyclohexadiene(stabilizedwithBHT)&gt
1,4-Cyclohexadiene,% stab. with 0.1% BHT
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ohexadiene
1,4-CycL
1,4-Cyclohexadiene, stabilized with 0.1% BHT
1,4-Cyclohexadiene&nbsp
Cyclohexa-1,4-diene
1,4-Cyclohexadiene (stabilized with BHT)
1,4-Cyclohexadiene, 97%, stabilized
1,4-Cyclohexadiene, 97% stab. with 0.1% BHT
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1,4-Cyclohexadiene 97%
1,4-Cyclohexadiene, stabilized, 97% 5ML
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