230-33-1

Basic information

• Product Name: benzoquinoxaline
• Synonyms: benzoquinoxaline;benzo[f]quinoxaline
• CAS NO: 230-33-1
• Molecular Formula: C12H8N2
• Molecular Weight: 180.21
• Mol File: 230-33-1.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 354.9 °C at 760 mmHg
• Flash Point: 158.9 °C
• Appearance: /
• Density: 1.25 g/cm³
• Vapor Pressure: 6.64E-05mmHg at 25°C
• Refractive Index: 1.74
• CAS DataBase Reference: benzoquinoxaline(CAS DataBase Reference)
• NIST Chemistry Reference: benzoquinoxaline(230-33-1)
• EPA Substance Registry System: benzoquinoxaline(230-33-1)

Safety Data

• Hazardous Substances Data: 230-33-1(Hazardous Substances Data)

Usage

General Description

Benzoquinoxaline is a heterocyclic compound with the chemical formula C14H8N2. It is a pale yellow crystalline solid that is used as an intermediate in the production of various dyes, pigments, and pharmaceuticals. Benzoquinoxaline is known for its ability to form metal complexes and has been used as a ligand in coordination chemistry. It also has potential applications in organic synthesis and material science. However,

InChI:InChI=1/C12H8N2/c1-2-4-10-9(3-1)5-6-11-12(10)14-8-7-13-11/h1-8H

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Relevant articles and documents

Effect of Extended Benzannelation Orientation on Bergman and Related Cyclizations of Isomeric Quinoxalenediynes

A combined computational and experimental study was conducted to examine the effect of extended benzannelation orientation on C1-C5 and C1-C6 cyclization of acyclic quinoxalenediynes. Calculations (mPW1PW91/cc-p

Furazan ring opening upon treatment of benzofurazan with ethanolamine to yield quinoxalines

Heating of benzofurazans with ethanolamine in the presence of catalytic amount of p-toluenesulfonic acid leads to quinoxalines.

THE MEISENHEIMER REACTION OF 1,4,5,8-TETRAAZAPHENANTHRENE AND BENZOQUINOXALINE N-OXIDES

1,4,5,8-Tetraazaphenanthrene-N1-oxide (II) react with POCl3 to give equivalent amounts of 2-chloro-tetraazaphenanthrene (V) and 9-chloro-tetraazaphenanthrene (VI).Benzoquinoxaline-N1-oxime (IV) gives with the same reagent 2-chloro-benzoquinoxaline (IX, 57percent) and 9-chloro-benzoquinoxaline (X, 15percent).This last result suggests that the chloride ion has entered position 9- of II rather than position 10-, in agreement with electronic effects.