1,2,3,4-TETRAHYDRO-QUINOXALINE
1,2,3,4-TETRAHYDRO-QUINOXALINE
  • CAS No.:3476-89-9
Other grades of this product :
1,2,3,4-TETRAHYDRO-QUINOXALINE Basic information
Product Name:1,2,3,4-TETRAHYDRO-QUINOXALINE
Synonyms:Benzo(2,3)piperazine, tetrahydro-;Quinoxaline, 1,2,3,4-tetrahydro-;1,2,3,4-TETRAHYDRO-QUINOXALINE;BENZO[2,3]TETRAHYDROPIPERAZINE;5,6,7,8-Tetrahydro-2-quinolinone;1,2,3,4-Tetrahydroquinoxaline, 98%+;1,2,3,4-Tetrahydroquinoxaline 95%;1,2,3,4-Tetrahydroquinoxaline, 98% white to brown solid
CAS:3476-89-9
MF:C8H10N2
MW:134.18
EINECS:623-797-2
Product Categories:Building Blocks;Heterocyclic Building Blocks;Quinoxalines
Mol File:3476-89-9.mol
1,2,3,4-TETRAHYDRO-QUINOXALINE Chemical Properties
Melting point 92-98 °C
Boiling point 154°C/14mmHg(lit.)
density 1.0698 (rough estimate)
refractive index 1.5579 (estimate)
storage temp. Keep in dark place,Inert atmosphere,Room temperature
pka4.60±0.50(Predicted)
form powder to crystal
color White to Brown
CAS DataBase Reference3476-89-9(CAS DataBase Reference)
EPA Substance Registry SystemQuinoxaline, 1,2,3,4-tetrahydro- (3476-89-9)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-22
Safety Statements 26-36/37/39-44
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
TSCA Yes
HazardClass IRRITANT
PackingGroup 
HS Code 29339900
MSDS Information
1,2,3,4-TETRAHYDRO-QUINOXALINE Usage And Synthesis
Uses1,2,3,4-Tetrahydroquinoxaline is a reactant that undergoes acceptorless hydrogenation and dehydrogenation in the presence of a molecular iron catalyst.
Synthesis Reference(s)Journal of the American Chemical Society, 69, p. 795, 1947 DOI: 10.1021/ja01196a015
1,2,3,4-TETRAHYDRO-QUINOXALINE Preparation Products And Raw materials
Raw materials5,6,7,8-Tetrahydroquinoxaline-->Quinoxaline
Preparation Products6-Bromoquinoxaline

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