p-Benzoquinone, 99%

Name: p-Benzoquinone, 99%
Brand: Vaqora Chemicals
SKU: VQ-008152

About p-Benzoquinone, 99%

p-Benzoquinone (CAS 106-51-4) is a carbonyl building block offered by Vaqora Chemicals (Synthesis grade), specified at 99% purity. Formula C6H4O2, molecular weight 108.09 g/mol. The IUPAC name is cyclohexa-2,5-diene-1,4-dione. It is also known as Quinone or Benzoquinone.

In its supplied form it is yellow to green-gold to green to black powder or crystalline powder or crystals. Reported physical data include a melting point of 110-113.5 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis, condensation and reductive amination, API intermediates and rubber compounding. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and polymers and plastics.

We offer p-Benzoquinone in 100 g, 250 g, 500 g and 5 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates
Rubber compounding

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Benzoquinone, 99%
Catalogue No.	VQ-008152
CAS Number	106-51-4
IUPAC name	cyclohexa-2,5-diene-1,4-dione
Molecular formula	C₆H₄O₂
Molecular weight	108.09 g/mol
Exact mass	108.0211
Grade	Synthesis
Purity / assay	99%
HSN code	29146990
InChIKey	AZQWKYJCGOJGHM-UHFFFAOYSA-N
SMILES	C1=CC(=O)C=CC1=O
PubChem CID	4650

Physical properties
Physical form	Crystalline
Appearance	Yellow to green-gold to green to black powder or crystalline powder or crystals
Melting point	110-113.5 °C
LogP (XLogP3)	0.2
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
UN number	UN 2587
Synonyms	Quinone, Benzoquinone, p-Quinone, para-Benzoquinone, Chinone, 2,5-Cyclohexadiene-1,4-dione, para-Quinone, Cyclohexadienedione, 1,4-Benzoquine, 1,4-Cyclohexadienedione, Steara pbq, 1,4-Dioxybenzene

Safety & hazard information (GHS)

Toxic

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H335May cause respiratory irritation
H400Very toxic to aquatic life

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, 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 p-Benzoquinone, 99%?

The CAS Registry Number of p-Benzoquinone, 99% is 106-51-4. It is also known as Quinone, Benzoquinone, p-Quinone.

What is the molecular formula and molecular weight of p-Benzoquinone, 99%?

p-Benzoquinone, 99% has the molecular formula C6H4O2 and a molecular weight of 108.09 g/mol. Its IUPAC name is cyclohexa-2,5-diene-1,4-dione.

Which grade and pack sizes of p-Benzoquinone, 99% can I order?

We supply p-Benzoquinone, 99% in Synthesis (99%) grade, in 100 g, 250 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Benzoquinone, 99%?

Yes. Every lot of p-Benzoquinone, 99% 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 p-Benzoquinone, 99% be shipped internationally?

Yes. p-Benzoquinone, 99% is classified as hazardous (UN 2587), 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.