3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one

3,3-二甲基-3,4-二氢喹喔啉-2(1H)-酮

Also known as: 3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one, 3,3-dimethyl-3,4-dihydro-1H-quinoxalin-2-one, Quinoxalin-2(1H)-one, 3,4-dihydro-3,3-dimethyl-, 2(1H)-Quinoxalinone, 3,4-dihydro-3,3-dimethyl- (9CI)

3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 80636-30-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12N2O and a molecular weight of 176.21500 g/mol. It is also known as 3,3-dimethyl-3,4-dihydro-1H-quinoxalin-2-one, Quinoxalin-2(1H)-one, 3,4-dihydro-3,3-dimethyl- and 2(1H)-Quinoxalinone, 3,4-dihydro-3,3-dimethyl- (9CI). Key properties include a melting point of 178-179°C, a boiling point of 349ºC at 760 mmHg, a density of 1.079g/cm3 and a flash point of 156.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
80636-30-2
Jingsj CID
J-1513247-3
Molecular Formula
C10H12N2O
Chinese Name
3,3-二甲基-3,4-二氢喹喔啉-2(1H)-酮
Molecular Weight
176.21500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point178-179°C
Boiling Point349ºC at 760 mmHg
Density1.079g/cm3
Flash Point156.4ºC

Frequently Asked Questions

What is the CAS number of 3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one?

The CAS number of 3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one is 80636-30-2.

What are the molecular formula and molecular weight of 3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one?

3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one has molecular formula C10H12N2O and molecular weight 176.21500 g/mol.

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

Last updated:

How to cite: Jingsj. "3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 80636-30-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513247-3 (accessed 2026-10-25).

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