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1,4-Benzoquinone

USP/1056504 - United States Pharmacopeia (USP) Reference Standard

Synonym: p-Benzoquinone; ,5-Cyclohexadiene-1,4-dione; Quinone

CAS Number: 106-51-4
Empirical Formula (Hill Notation): C6H4O2
Molecular Weight: 108.09
MDL Number: MFCD00001591
Linear Formula: C6H4(=O)2
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-1056504-200MG 200 mg
$447.00
1/EA
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application(s) pharmaceutical (small molecule)
autoignition temp. 815 °F
format neat
grade pharmaceutical primary standard
InChI 1S/C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H
InChI key AZQWKYJCGOJGHM-UHFFFAOYSA-N
manufacturer/tradename USP
mp 113-115 °C (lit.)
SMILES string O=C1C=CC(=O)C=C1
vapor density 3.73 (vs air)
vapor pressure 0.1 mmHg ( 25 °C)
Analysis Note: These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​
Application: The USP pharmaceutical reference standard is intended for use in analytical or laboratory applications as specified in USP compendia.

Also ideal for use as a primary reference standard in the following tests or assays according to USP General Chapter <11>:

• pure steam
• water for injection
• sterile water for inhalation
• sterile water for injection
• sterile water for irrigation
• purified water
• sterile purified water
• water for hemodialysis
• <643>total organic carbon
General description: 1,4-Benzoquinone, also known as para-quinone, is a benzene derivative with cyclic dienedione structure.

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, have been developed and issued under the Authority of the issuing Pharmacopoeia.

1,4-Benzoquinone is a dark yellow powder having a green cast. It is slightly soluble in water and soluble in alcohol, in ether, and in fixed alkali solutions. It may darken on standing.
Other Notes: Sales restrictions may apply.
mp 113-115 °C (lit.)
UNSPSC 41116107

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