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p-Benzoquinone, 98+%, Thermo Scientific Chemicals Product Code.: 11444544
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p-Benzoquinone, 98+%, Thermo Scientific Chemicals

Product Code. 11444544
1000 g
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Product Code. 11444544

Brand: Thermo Scientific Alfa Aesar A13162.0B

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Description

p-Benzoquinone is used as a dienophile in Diels-Alder cycloadditions to prepare naphthoquinones and 1,4-phenanthrenediones. It acts as a dehydrogenation reagent and an oxidizer in synthetic organic chemistry. In the Thiele-Winter reaction, it is involved in the preparation of triacetate of hydroxyquinol by reacting with acetic anhydride and sulfuric acid. It is also used in the synthesis of bromadol and to suppress double- bond migration during olefin metathesis reactions. It is used as a precursor to hydroquinone which finds application in photography and as a reducing agent and an antioxidant in rubber production.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
p-Benzoquinone is used as a dienophile in Diels-Alder cycloadditions to prepare naphthoquinones and 1,4-phenanthrenediones. It acts as a dehydrogenation reagent and an oxidizer in synthetic organic chemistry. In the Thiele-Winter reaction, it is involved in the preparation of triacetate of hydroxyquinol by reacting with acetic anhydride and sulfuric acid. It is also used in the synthesis of bromadol and to suppress double- bond migration during olefin metathesis reactions. It is used as a precursor to hydroquinone which finds application in photography and as a reducing agent and an antioxidant in rubber production.

Solubility
Soluble in water, ethanol, ether, methanol, benzene, acetone and ethyl acetate.

Notes
Light sensitive. Store in cool place. Incompatible and reacts violently with strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 106-51-4
Molecular Formula C6H4O2
Molecular Weight (g/mol) 108.096
MDL Number MFCD00001591
InChI Key AZQWKYJCGOJGHM-UHFFFAOYSA-N
Synonym p-benzoquinone, benzoquinone, quinone, 1,4-benzoquinone, p-quinone, chinone, 2,5-cyclohexadiene-1,4-dione, cyclohexadienedione, para-quinone, 1,4-benzoquineShow MoreShow Less
PubChem CID 4650
ChEBI CHEBI:16509
IUPAC Name cyclohexa-2,5-diene-1,4-dione
SMILES C1=CC(=O)C=CC1=O

Specifications

Melting Point 112°C to 115°C
Density 1.318
Boiling Point ∼180°C (sublimation)
Flash Point 77°C (171°F)
Assay Percent Range ≥98%
Odor Pungent
Quantity 1000 g
UN Number UN2587
Beilstein 773967
Sensitivity Light sensitive
Merck Index 14,8074
Solubility Information Soluble in water,ethanol,ether,methanol,benzene,acetone and ethyl acetate.
Formula Weight 108.1
Percent Purity ≥98%
Chemical Name or Material p-Benzoquinone
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5 results found
Lot Number Certificate Type Date Catalog Number
Lot Number10240227 Certificate TypeCertificate of Analysis Date21/04/2022 Catalog NumberA13162.22,A13162.0B,A13162.30,A13162.0I
Lot Number10239300 Certificate TypeCertificate of Analysis Date12/04/2022 Catalog NumberA13162.22,A13162.0B,A13162.30,A13162.0I
Lot Number10239976 Certificate TypeCertificate of Analysis Date12/04/2022 Catalog NumberA13162.22,A13162.0B,A13162.30,A13162.0I
Lot Number10202457 Certificate TypeCertificate of Analysis Date22/11/2021 Catalog NumberA13162.22,A13162.0B,A13162.30,A13162.0I
Lot Number10142229 Certificate TypeCertificate of Analysis Date22/11/2021 Catalog NumberA13162.22,A13162.0B,A13162.30,A13162.0I

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