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3-hydroxy-2-naphthaldehyde

Also known as: 3-hydroxynaphthalene-2-carbaldehyde, 3-hydroxy-2-naphthalenecarboxaldehyde, 2-Naphthalenecarboxaldehyde, 3-hydroxy-, NSC240729

3-hydroxy-2-naphthaldehyde (CAS 581-71-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H8O2 and a molecular weight of 172.18000 g/mol. Key properties include a boiling point of 317ºC at 760 mmHg, a density of 1.288g/cm3 and a flash point of 134.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
581-71-5
Jingsj CID
J-1002111-1
Molecular Formula
C11H8O2
Molecular Weight
172.18000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point317ºC at 760 mmHg
Density1.288g/cm3
Flash Point134.3ºC
Exact Mass172.05200
PSA37.30000
LogP2.35790
Refractive Index1.719

Frequently Asked Questions

What is the CAS number of 3-hydroxy-2-naphthaldehyde?

The CAS number of 3-hydroxy-2-naphthaldehyde is 581-71-5.

What are the molecular formula and molecular weight of 3-hydroxy-2-naphthaldehyde?

3-hydroxy-2-naphthaldehyde has molecular formula C11H8O2 and molecular weight 172.18000 g/mol.

What are the upstream and downstream products of 3-hydroxy-2-naphthaldehyde?

For 3-hydroxy-2-naphthaldehyde, Upstream Products: N,N-Dimethylformamide, 2-Naphthol, 3-Methoxy-2-naphthaldehyde.

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

Last updated:

How to cite: Jingsj. "3-hydroxy-2-naphthaldehyde (CAS 581-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002111-1 (accessed 2026-11-09).

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