2-Hydroxyquinoline-3-carbaldehyde

2-羟基喹啉-3-甲醛

Also known as: 1,2-Dihydro-2-oxoquinoline-3-carbaldehyde, 1,2-Dihydro-2-oxoquinoline-3-carboxaldehyde, 2-OXO-1,2-DIHYDRO-3-QUINOLINECARBALDEHYDE, 2-OXO-1,2-DIHYDRO-3-QUINOLINECARBOXALDEHYDE, 2-OXO-1,2-DIHYDRO-QUINOLINE-3-CARBALDEHYDE, 2-Oxo-1,2-dihydro-3-quinolinecarbaldehyde, 2-oxo-1,2-dihydroquinoline-3-carbaldehyde, 2-oxo-1H-quinoline-3-carbaldehyde, AKOS BBS-00005352, IFLAB-BB F0342-0036

2-Hydroxyquinoline-3-carbaldehyde (CAS 91301-03-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NO2 and a molecular weight of 173.16800 g/mol. It is also known as 1,2-Dihydro-2-oxoquinoline-3-carbaldehyde, 1,2-Dihydro-2-oxoquinoline-3-carboxaldehyde and 2-OXO-1,2-DIHYDRO-3-QUINOLINECARBALDEHYDE. Key properties include a melting point of >250ºC, a boiling point of 434.9ºC at 760mmHg, a density of 1.367g/cm3 and a flash point of 208.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
91301-03-0
Jingsj CID
J-1083582-7
Molecular Formula
C10H7NO2
Chinese Name
2-羟基喹啉-3-甲醛
Molecular Weight
173.16800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>250ºC
Boiling Point434.9ºC at 760mmHg
Density1.367g/cm3
Flash Point208.7ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Hydroxyquinoline-3-carbaldehyde?

The CAS number of 2-Hydroxyquinoline-3-carbaldehyde is 91301-03-0.

What are the molecular formula and molecular weight of 2-Hydroxyquinoline-3-carbaldehyde?

2-Hydroxyquinoline-3-carbaldehyde has molecular formula C10H7NO2 and molecular weight 173.16800 g/mol.

Is 2-Hydroxyquinoline-3-carbaldehyde hazardous?

2-Hydroxyquinoline-3-carbaldehyde has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-Hydroxyquinoline-3-carbaldehyde (CAS 91301-03-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083582-7 (accessed 2026-10-22).

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