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2-Quinoxalinone Structure

2-Quinoxalinone

Chemical Properties

Melting point 271-272 °C (lit.)
Boiling point 265.75°C (rough estimate)
Density  1.2312 (rough estimate)
refractive index  1.4900 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  DMSO (Slightly), Methanol (Very Slightly, Heated)
form  Solid
pka 9.20±0.50(Predicted)
color  Light Brown
InChI InChI=1S/C8H6N2O/c11-8-5-9-6-3-1-2-4-7(6)10-8/h1-5H,(H,10,11)
InChIKey FFRYUAVNPBUEIC-UHFFFAOYSA-N
SMILES N1C2=C(C=CC=C2)N=CC1=O
CAS DataBase Reference 1196-57-2(CAS DataBase Reference)
EWG's Food Scores 1
NIST Chemistry Reference 2(1H)-quinoxalinone(1196-57-2)
EPA Substance Registry System 2(1H)-Quinoxalinone (1196-57-2)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/39-37/39
WGK Germany  3
RTECS  VD3630000
HS Code  29339900
Toxicity mouse,LD50,intravenous,178mg/kg (178mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00285,
NFPA 704:
0
2 0

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