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2-(Benzofuran-3-yl)acetic acid

Also known as: 3-Benzofuranacetic acid, Benzofuran-3-yl-acetic acid, Benzo[b]furan-3-ylacetic acid, 2-(3-benzofuranyl)acetic acid, 1-Benzofuran-3-ylacetic acid, 2-(1-benzofuran-3-yl)acetic acid, 3-benzofuranylacetic acid, BENZO[B]FURAN-3-YLACETIC ACID, 3-(Carboxymethyl)benzo[b]furan

2-(Benzofuran-3-yl)acetic acid (CAS 64175-51-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8O3 and a molecular weight of 176.169 g/mol. Key properties include a melting point of 90ºC, a boiling point of 331.1±17.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 154.0±20.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
64175-51-5
Jingsj CID
J-1443361-5
Molecular Formula
C10H8O3
Molecular Weight
176.169 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point90ºC
Boiling Point331.1±17.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point154.0±20.9 °C
Exact Mass176.047348
PSA50.44000
LogP1.96
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.628
Storage Conditions-20°C

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-(Benzofuran-3-yl)acetic acid?

The CAS number of 2-(Benzofuran-3-yl)acetic acid is 64175-51-5.

What are the molecular formula and molecular weight of 2-(Benzofuran-3-yl)acetic acid?

2-(Benzofuran-3-yl)acetic acid has molecular formula C10H8O3 and molecular weight 176.169 g/mol.

What are the upstream and downstream products of 2-(Benzofuran-3-yl)acetic acid?

For 2-(Benzofuran-3-yl)acetic acid, Upstream Products: Ethyl 2-(benzofuran-3-yl)acetate, Benzofuran-3(2H)-one, Ethyl (triphenylphosphoranylidene)acetate; Downstream Products: Benzofuran-3-carbaldehyde, Ethyl 2-(benzofuran-3-yl)acetate, Benzo[b]furan-3-ylacetyl chloride.

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

Last updated:

How to cite: Jingsj. "2-(Benzofuran-3-yl)acetic acid (CAS 64175-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1443361-5 (accessed 2026-11-09).

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