Benzocyclobutenone

Also known as: Bicyclo[4.2.0]octa-1,3,5-trien-7-one, Benzocyclobuten-1(2H)-one, 1,2-Dihydrobenzocyclobutene-1-one, 1,2-Ethanobenzene-7-one, 1-Oxobenzocyclobutene, Cyclobutabenzene-1-one

Benzocyclobutenone (CAS 3469-06-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6O and a molecular weight of 118.133 g/mol. Key properties include a boiling point of 219.6±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 85.9±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3469-06-5
Jingsj CID: J-1492958-9
Molecular Formula: C₈H₆O
Molecular Weight: 118.133 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	219.6±20.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	85.9±16.7 °C
Exact Mass	118.041862
PSA	17.07000
LogP	1.80
Vapor Pressure	0.1±0.4 mmHg at 25°C
Refractive Index	1.615
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2914299000
Summary	2914299000. other cyclanic, cyclenic or cyclotherpenic 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 Benzocyclobutenone?

The CAS number of Benzocyclobutenone is 3469-06-5.

What are the molecular formula and molecular weight of Benzocyclobutenone?

Benzocyclobutenone has molecular formula C8H6O and molecular weight 118.133 g/mol.

What are the upstream and downstream products of Benzocyclobutenone?

For Benzocyclobutenone, Upstream Products: o-Toluoyl chloride, Bromobenzene, 1,1-Dimethoxyethene; Downstream Products: Methyl o-toluate, Methyl phenylacetate, o-Toluic acid.

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. "Benzocyclobutenone (CAS 3469-06-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492958-9 (accessed 2026-11-09).

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