p-Benzoquinone (C6H4O2)

Looking for routes to p-benzoquinone? p-benzoquinone presents a C6 framework, unsaturation. Use the planner with prefilled SMILES, or copy O=C1C=CC(=O)C=C1 (CAS 106-51-4).

Target: p-Benzoquinone
CAS: 106-51-4
Formula: C6H4O2
Approx. MW: 108.10
SMILES: O=C1C=CC(=O)C=C1
PubChem CID: 4650
Approx. carbons: C6

p-Benzoquinone structure

Properties

IUPAC name: cyclohexa-2,5-diene-1,4-dione
Common names: p-benzoquinone; 1,4-BENZOQUINONE; Benzoquinone; Quinone; 106-51-4; p-Quinone; cyclohexa-2,5-diene-1,4-dione; para-Benzoquinone; Chinone; 2,5-Cyclohexadiene-1,4-dione
Molecular weight: 108.09
Exact mass: 108.02
InChIKey: AZQWKYJCGOJGHM-UHFFFAOYSA-N
Melting point: 240.3 °F (NTP, 1992)
Boiling point: SUBLIMES (NTP, 1992)
Density: 1.318 at 68 °F (USCG, 1999) - Denser than water; will sink

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p-Benzoquinone 1H / 13C NMR spectrum →

FAQ

What is the chemical formula of p-Benzoquinone?

p-Benzoquinone has molecular formula C6H4O2. Molecular weight about 108.10 g·mol⁻¹.

What is the CAS number of p-Benzoquinone?

The CAS Registry Number for p-Benzoquinone is 106-51-4.

Run AI retrosynthesis for p-Benzoquinone Target catalog AI tools overview

Open the planner with p-Benzoquinone preloaded, then keep routes that match CAS 106-51-4.

Related targets

Similar compounds

o-Benzoquinone

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References & tools

ChemicalHelper Reaction — AI retrosynthesis with optional library evidence.
PubChem — compound identifiers and structure depictions (NIH/NCBI).
Related: AiZynthFinder / synthesis planning literature for computer-aided retrosynthesis.