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4-Carboxylbenzocyclobutene

Also known as: 4-CBCB, Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid, Cyclobutabenzene-4-carboxylic acid, 4-Carboxyl benzocyclobutene

4-Carboxylbenzocyclobutene (CAS 875-94-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H8O2 and a molecular weight of 148.16100 g/mol. Key properties include a boiling point of 306.1ºC at 760 mmHg, a density of 1.307g/cm3 and a flash point of 137.5ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
875-94-5
Jingsj CID
J-1393954-3
Molecular Formula
C9H8O2
Molecular Weight
148.16100 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point306.1ºC at 760 mmHg
Density1.307g/cm3
Flash Point137.5ºC
Exact Mass146.03700
PSA37.30000
LogP1.86860
Refractive Index1.638

Customs & Trade Information

HS Code2916209090
Summary2916209090 other cyclanic, cyclenic or cyclotherpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Carboxylbenzocyclobutene?

The CAS number of 4-Carboxylbenzocyclobutene is 875-94-5.

What are the molecular formula and molecular weight of 4-Carboxylbenzocyclobutene?

4-Carboxylbenzocyclobutene has molecular formula C9H8O2 and molecular weight 148.16100 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Carboxylbenzocyclobutene (CAS 875-94-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1393954-3 (accessed 2026-11-09).

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