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6-Hydroxy-2(3H)-benzofuranone

Also known as: 2(3H)-Benzofuranone, 6-hydroxy-, 6-Hydroxy-2(3H)-benzofuranone, 6-Hydroxy-3H-1-benzofuran-2-one, 6-hydroxy-3H-benzofuran-2-one

6-Hydroxy-2(3H)-benzofuranone (CAS 2688-49-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6O3 and a molecular weight of 150.131 g/mol. Key properties include a boiling point of 341.5±31.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 162.6±17.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2688-49-5
Jingsj CID
J-1342978-2
Molecular Formula
C8H6O3
Molecular Weight
150.131 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point341.5±31.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point162.6±17.6 °C
Exact Mass150.031693
PSA46.53000
LogP0.98
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.635

Customs & Trade Information

HS Code2932209090
Summary2932209090. other lactones. 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 6-Hydroxy-2(3H)-benzofuranone?

The CAS number of 6-Hydroxy-2(3H)-benzofuranone is 2688-49-5.

What are the molecular formula and molecular weight of 6-Hydroxy-2(3H)-benzofuranone?

6-Hydroxy-2(3H)-benzofuranone has molecular formula C8H6O3 and molecular weight 150.131 g/mol.

What are the upstream and downstream products of 6-Hydroxy-2(3H)-benzofuranone?

For 6-Hydroxy-2(3H)-benzofuranone, Upstream Products: (2,4-Dimethoxyphenyl)acetic acid, Ethyl (1-hydroxy-4-oxocyclohexa-2,5-dien-1-yl)acetate.

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

Last updated:

How to cite: Jingsj. "6-Hydroxy-2(3H)-benzofuranone (CAS 2688-49-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1342978-2 (accessed 2026-11-09).

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