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4,8-dimethylquinolin-2(1H)-one

4,8-二甲基喹啉-2(1H)-酮

Also known as: 4,8-DIMETHYL-2-QUINOLINOL, 2(1H)-Quinolinone, 4,8-dimethyl-, 4,8-dimethyl-2-hydroxyquinoline, 4,8-dimethylcarbostyril, 4,8-dimethyl-1H-quinolin-2-one, 4,8-dimethylquinolin-2-ol, 2-Hydroxy-4,8-dimethyl-chinolin, 4,8-dimethyl-2(1H)-quinolinone, dimethylquinolinol

4,8-dimethylquinolin-2(1H)-one (CAS 5349-78-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11NO and a molecular weight of 173.21100 g/mol. It is also known as 4,8-DIMETHYL-2-QUINOLINOL, 2(1H)-Quinolinone, 4,8-dimethyl- and 4,8-dimethyl-2-hydroxyquinoline. Key properties include a melting point of 219-221ºC, a boiling point of 343.3ºC at 760 mmHg, a density of 1.107g/cm3 and a flash point of 201.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5349-78-0
Jingsj CID
J-1350380-0
Molecular Formula
C11H11NO
Chinese Name
4,8-二甲基喹啉-2(1H)-酮
Molecular Weight
173.21100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point219-221ºC
Boiling Point343.3ºC at 760 mmHg
Density1.107g/cm3
Flash Point201.7ºC

Frequently Asked Questions

What is the CAS number of 4,8-dimethylquinolin-2(1H)-one?

The CAS number of 4,8-dimethylquinolin-2(1H)-one is 5349-78-0.

What are the molecular formula and molecular weight of 4,8-dimethylquinolin-2(1H)-one?

4,8-dimethylquinolin-2(1H)-one has molecular formula C11H11NO and molecular weight 173.21100 g/mol.

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

Last updated:

How to cite: Jingsj. "4,8-dimethylquinolin-2(1H)-one (CAS 5349-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1350380-0 (accessed 2026-10-22).

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