Hydroxyquinone

About Hydroxyquinone

Hydroxyquinone is a metabolite or degradation product of Hydroquinone carrying the CAS registry number 2474-72-8. The compound has the formula C6H4O3, corresponding to a molecular weight of 124.09 g/mol. Its systematic (IUPAC) name is 2-hydroxycyclohexa-2,5-diene-1,4-dione. Common synonyms include 2-Hydroxy-1,4-benzoquinone and 2-Hydroxy-p-benzoquinone.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Hydroquinone, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Hydroxyquinone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Hydroquinone

View every impurity, metabolite and intermediate we list for Hydroquinone.

Hydroquinone impurities

Specifications & identifiers

Chemical identifiers
Product name	Hydroxyquinone
Catalogue No.	VQ-040152
CAS Number	2474-72-8
IUPAC name	2-hydroxycyclohexa-2,5-diene-1,4-dione
Molecular formula	C₆H₄O₃
Molecular weight	124.09 g/mol
Exact mass	124.016
Grade	Reference Standard
HSN code	38229090
InChIKey	GPLIMIJPIZGPIF-UHFFFAOYSA-N
SMILES	C1=CC(=O)C(=CC1=O)O
PubChem CID	151011

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²
Synonyms	2-Hydroxy-1,4-benzoquinone, 2-Hydroxy-p-benzoquinone, hydroxy-1,4-benzoquinone, Hydroxybenzoquinone, 2,5-Cyclohexadiene-1,4-dione, 2-hydroxy-, hydroxy-p-Benzoquinone, 4-Hydroxy-o-benzochinon, 4-hydroxy-1, 2-benzoquinone, 2-hydroxy-2,5-Cyclohexadiene-1,4-dione

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Hydroxyquinone?

The CAS Registry Number of Hydroxyquinone is 2474-72-8. It is also known as 2-Hydroxy-1,4-benzoquinone, 2-Hydroxy-p-benzoquinone, hydroxy-1,4-benzoquinone.

What is the molecular formula and molecular weight of Hydroxyquinone?

Hydroxyquinone has the molecular formula C6H4O3 and a molecular weight of 124.09 g/mol. Its IUPAC name is 2-hydroxycyclohexa-2,5-diene-1,4-dione.

What is Hydroxyquinone used for?

Hydroxyquinone is supplied as a characterised reference material related to Hydroquinone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Hydroxyquinone can I order?

We supply Hydroxyquinone in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hydroxyquinone?

Yes. Every lot of Hydroxyquinone is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Hydroxyquinone be shipped internationally?

Yes. We export Hydroxyquinone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.