2-Phenyl-1,2,3,4-tetrahydroquinoxaline

2-苯基-1,2,3,4-四氢喹喔啉

Also known as: 2-phenyl-1,2,3,4-tetrahydroquinoxaline, Quinoxaline, 1,2,3,4-tetrahydro-2-phenyl-

2-Phenyl-1,2,3,4-tetrahydroquinoxaline (CAS 5021-47-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H14N2 and a molecular weight of 210.27400 g/mol. It is also known as 2-phenyl-1,2,3,4-tetrahydroquinoxaline and Quinoxaline, 1,2,3,4-tetrahydro-2-phenyl-. Key properties include a boiling point of 395.453ºC at 760 mmHg, a density of 1.092g/cm3 and a flash point of 258.24ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5021-47-6
Jingsj CID
J-1421796-0
Molecular Formula
C14H14N2
Chinese Name
2-苯基-1,2,3,4-四氢喹喔啉
Molecular Weight
210.27400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point395.453ºC at 760 mmHg
Density1.092g/cm3
Flash Point258.24ºC

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Phenyl-1,2,3,4-tetrahydroquinoxaline?

The CAS number of 2-Phenyl-1,2,3,4-tetrahydroquinoxaline is 5021-47-6.

What are the molecular formula and molecular weight of 2-Phenyl-1,2,3,4-tetrahydroquinoxaline?

2-Phenyl-1,2,3,4-tetrahydroquinoxaline has molecular formula C14H14N2 and molecular weight 210.27400 g/mol.

Is 2-Phenyl-1,2,3,4-tetrahydroquinoxaline hazardous?

2-Phenyl-1,2,3,4-tetrahydroquinoxaline 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-Phenyl-1,2,3,4-tetrahydroquinoxaline (CAS 5021-47-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421796-0 (accessed 2026-10-24).

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