2-Phenyl-1,4-benzoquinone

Also known as: 2-phenyl-p-benzoquinone, 2-phenylbenzoquinone, p-Benzoquinone, 2-phenyl-, EINECS 206-654-5, Phenyl-p-benzoquinone, 2-phenyl-2,5-cyclohexadiene-1,4-dione, 2-phenylcyclohexa-2,5-diene-1,4-dione

2-Phenyl-1,4-benzoquinone (CAS 363-03-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H8O2 and a molecular weight of 184.19100 g/mol. Key properties include a melting point of 111-115 °C, a boiling point of 278.14°C (rough estimate) and a density of 1.1336 (rough estimate). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 363-03-1
Jingsj CID: J-36148-8
Molecular Formula: C₁₂H₈O₂
Molecular Weight: 184.19100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	111-115 °C
Boiling Point	278.14°C (rough estimate)
Density	1.1336 (rough estimate)
Exact Mass	184.05200
PSA	34.14000
LogP	1.77800
Appearance	Chunks and Powder \| Yellow-brown
Refractive Index	1.6086 (estimate)

Customs & Trade Information

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Phenyl-1,4-benzoquinone?

The CAS number of 2-Phenyl-1,4-benzoquinone is 363-03-1.

What are the molecular formula and molecular weight of 2-Phenyl-1,4-benzoquinone?

2-Phenyl-1,4-benzoquinone has molecular formula C12H8O2 and molecular weight 184.19100 g/mol.

What are the upstream and downstream products of 2-Phenyl-1,4-benzoquinone?

For 2-Phenyl-1,4-benzoquinone, Upstream Products: 1,4-Benzoquinone, Phenylboronic acid, Hydroquinone; Downstream Products: 2,5-Diphenyl-1,4-benzoquinone, 2-Hydroxydibenzofuran, phenylhydroquinone diacetate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-Phenyl-1,4-benzoquinone (CAS 363-03-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36148-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.