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1,4-Benzoquinone

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Product Description

PRODUCT

1,4-Benzoquinone

CAS #

106-51-4

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

Typical Product Specifications

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

0.5% Max

CHEMICAL STRUCTURE

1,4-Benzoquinone distributor CAS: 106-51-4 C6H4O2 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.

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