Substance
ID:716152
Names and Identifiers
IUPAC name
cyclohexa-2,5-diene-1,4-dione
Synonyms
Quinone对苯醌p-Benzoquinone
IUPAC Traditional name
quinone
Registration numbers
EC Number
CAS Number
MDL Number
Beilstein Number
Merck Index
Properties
Safety Information
European Hazard Symbols
Nature polluting (N)
Toxic (T)UN Number
UN2587
GHS Pictograms
Hazardous to the aquatic environment
Acute hazard, category1
Chronic hazard, categories 1,2
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
RTECS
DK2625000
TSCA Listed
是
Packing Group
II
GHS Precautionary statements
P280H-P273-P305+P351+P338-P302+P352-P309-P310
GHS Hazard statements
H301-H331-H315-H319-H335-H400
Risk Statements
23/25-36/37/38-50
Safety Statements
26-28-45-61
Hazard Class
6.1
Product Information
Purity
98+%
Physical Property
Density
1.318
Melting Point
112-115°C
Flash Point
77°C(171°F)
Boiling Point
ca 180°C subl.
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Reacts with allyl or isoprenyl tin derivatives in the presence of BF3 etherate to give ortho allyl-substituted quinones: Org. Synth. Coll., 9, 741 (1998). For a reaction scheme, see 2,3-Dimethoxy-5-methyl-1,4-benzoquinone, B24777.
• Mild reoxidant in palladium-catalyzed reactions, to convert Pd(0) back to Pd(II); see e.g.: Org. Synth. Coll., 8, 137 (1993). For use in the Pd-catalyzed oxidative addition of amines to electron-deficient alkenes, to give enamines, see Palladium(II) chloride, 11034. For the cis-1,4-stereo- and regioselective chloroacetoxylation of 1,3-dienes by Pd(OAc)2 and LiCl, in the presence of benzoquinone, see Palladium(II) acetate, 10516.