1,4-Benzoquinone
Quantity
Unit
CAS #
106-51-4
PRODUCT
SYNONYM
para-quinone; para-benzoquinone; cyclohexa-2,5-diene-1,4-dione ; 2,5-Cyclohexadiene-1,4-dione
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FORMULA
C6H4O2
PRODUCT TYPE
Organic
HAZARD
6.1 Toxic Substances
ASSAY
99.0% Min
APPEARANCE
Yellow powder or crystalline solid
MELTING RANGE
112 - 116 C
RESIDUE ON IGNITION
0.05% Max
MOISTURE
0.5% Max
INSOLUBLES
CHEMICAL STRUCTURE
MELTING POINT
115.7 c
ODOR
irritant odor
INSOLUBILITY
in aliphatic hydrocarbons
REFRACTIVE INDEX
1.453
MOLECULAR WEIGHT
108.10
SOLUBILITY
oxygenated solvs., alcohol, ether, alkalis
BOILING POINT
sublimes
DENSITY
1.307
SLIGHTLY SOLUBLE
in hot water
NOTES
1,4-Benzoquinone is a specialty chemical intermediate that is useful for its oxidizing properties in organic synthesis.
It is often used in the production of pharmaceuticals, in photographic chemistry, and in petrochemicals as a polymerization inhibitor.
It is closely related to Hydroquinone, another polymerization inhibitor useful for stabilizing acrylates.
CLASS
Specialty Chemicals, Chemical Intermediates, Toxic Release Inventory (TRI) Chemicals
FUNCTIONS
Intermediates, Polymerization Inhibitor , Chemical Intermediate
INDUSTRY
Industrial, Pharmaceutical, Oil and Gas Production, Petrochemistry, Specialty Chemicals
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