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Quinoxaline

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Quinoxaline Basic information
Quinoxaline Chemical Properties
  • Melting point:29-32 °C(lit.)
  • Boiling point:220-223 °C(lit.)
  • Density 1.124 g/mL at 25 °C(lit.)
  • refractive index nD48 1.6231
  • Flash point:209 °F
  • storage temp. 2-8°C
  • solubility alcohol: freely soluble(lit.)
  • pka0.56(at 20℃)
  • form Crystalline Low Melting Solid
  • color Light yellow to brown
  • Water Solubility SOLUBLE
  • Merck 14,8078
  • BRN 109351
  • CAS DataBase Reference91-19-0(CAS DataBase Reference)
  • NIST Chemistry ReferenceQuinoxaline(91-19-0)
  • EPA Substance Registry SystemQuinoxaline (91-19-0)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38-36/38
  • Safety Statements 26-36-37/39
  • WGK Germany 3
  • RTECS VD1225000
  • Hazard Note Irritant
  • TSCA Yes
  • HS Code 29339990
MSDS
Quinoxaline Usage And Synthesis
  • Chemical Propertieslight yellow to brown crystalline
  • UsesOrganic synthesis.
  • DefinitionChEBI: A naphthyridine in which the nitrogens are at positions 1 and 4.
  • Purification MethodsCrystallise quinoxaline from pet ether. It crystallises as the monohydrate on addition of water to a pet ether solution. It has UV: at 242 and 331nm (Ho –2); 234 and 316nm (pH 7.1). The picrate has m 161-162o.[Albert & Phillips J Chem Soc 1294 1956, Beilstein 23 H 176, 23 II 177, 23 III/IV 1226, 23/7 V 135.]
Quinoxaline Preparation Products And Raw materials
Quinoxaline(91-19-0)Related Product Information
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