1,2-Benzoquinone

Name: 1,2-Benzoquinone
Brand: Vaqora Chemicals
SKU: VQ-040101

About 1,2-Benzoquinone

Listed under CAS 583-63-1, 1,2-Benzoquinone is a process intermediate or related compound of Norepinephrine available from Vaqora Chemicals. Formula C6H4O2, molecular weight 108.09 g/mol. The IUPAC name is cyclohexa-3,5-diene-1,2-dione. Alternative names: o-Benzoquinone and 2-Benzoquinone.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is a process intermediate or related compound in the synthesis of Norepinephrine, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 1,2-Benzoquinone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Norepinephrine

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

Norepinephrine impurities

Specifications & identifiers

Chemical identifiers
Product name	1,2-Benzoquinone
Catalogue No.	VQ-040101
CAS Number	583-63-1
IUPAC name	cyclohexa-3,5-diene-1,2-dione
Molecular formula	C₆H₄O₂
Molecular weight	108.09 g/mol
Exact mass	108.0211
InChIKey	WOAHJDHKFWSLKE-UHFFFAOYSA-N
SMILES	C1=CC(=O)C(=O)C=C1
PubChem CID	11421

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Synonyms	o-Benzoquinone, 2-Benzoquinone, o-Quinone, 3,5-Cyclohexadiene-1,2-dione, benzo-1,2-quinone, catechol quinone, 3,5-Cyclohexadiene-1,2-dione (9CI), o-Benzoquisemiquinone, ortho-quinone, cyclohexa-2,4-diene-1,6-dione

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H341Suspected of causing genetic defects
H351Suspected of causing cancer

Precautionary statements: P203, P262, P264, P264 + P265, P270, P280, P301 + P316, P302 + P352, P305 + P351 + P338, P316, P318, P321, P330, P332 + P317, P337 + P317, P361 + P364, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 1,2-Benzoquinone?

The CAS Registry Number of 1,2-Benzoquinone is 583-63-1. It is also known as o-Benzoquinone, 2-Benzoquinone, o-Quinone.

What is the molecular formula and molecular weight of 1,2-Benzoquinone?

1,2-Benzoquinone has the molecular formula C6H4O2 and a molecular weight of 108.09 g/mol. Its IUPAC name is cyclohexa-3,5-diene-1,2-dione.

What is 1,2-Benzoquinone used for?

1,2-Benzoquinone is supplied as a characterised reference material related to Norepinephrine. 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 1,2-Benzoquinone can I order?

We supply 1,2-Benzoquinone, 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 1,2-Benzoquinone?

Yes. Every lot of 1,2-Benzoquinone 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 1,2-Benzoquinone be shipped internationally?

Yes. 1,2-Benzoquinone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.