2,3-Dihydrobenzofuran-5-carbaldehyde

2,3-二氢苯并呋喃-5-甲醛

Also known as: 2,3-Dihydro-1-benzofuran-5-carbaldehyde, 2,3-Dihydrobenzo[b]furan-5-carbaldehyde, 5-Benzofurancarboxaldehyde, 2,3-dihydro-, 2,3-Dihydrobenzo[b]furan-5-carboxaldehyde, AKOS MSC-0772, MFCD00068058

2,3-Dihydrobenzofuran-5-carbaldehyde (CAS 55745-70-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8O2 and a molecular weight of 148.16 g/mol. It is also known as 2,3-Dihydro-1-benzofuran-5-carbaldehyde, 2,3-Dihydrobenzo[b]furan-5-carbaldehyde and 5-Benzofurancarboxaldehyde, 2,3-dihydro-. Key properties include a boiling point of 277.5±19.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 133.2±15.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55745-70-5
Jingsj CID
J-5703-5
Molecular Formula
C9H8O2
Chinese Name
2,3-二氢苯并呋喃-5-甲醛
Molecular Weight
148.16 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point277.5±19.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point133.2±15.1 °C

GHS Safety & Compliance

Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,3-Dihydrobenzofuran-5-carbaldehyde?

The CAS number of 2,3-Dihydrobenzofuran-5-carbaldehyde is 55745-70-5.

What are the molecular formula and molecular weight of 2,3-Dihydrobenzofuran-5-carbaldehyde?

2,3-Dihydrobenzofuran-5-carbaldehyde has molecular formula C9H8O2 and molecular weight 148.16 g/mol.

Is 2,3-Dihydrobenzofuran-5-carbaldehyde hazardous?

2,3-Dihydrobenzofuran-5-carbaldehyde has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2,3-Dihydrobenzofuran-5-carbaldehyde (CAS 55745-70-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5703-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.