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???N-????
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???N-???? ??
- ???
- 112-116 °C
- ?? ?
- 126-127 °C(Press: 14 Torr)
- ??
- 1.19±0.1 g/cm3(Predicted)
- ?? ??
- under inert gas (nitrogen or Argon) at 2-8°C
- ??? ??
- solid
- ?? ?? (pKa)
- 0.45±0.39(Predicted)
- ??
- Light yellow to yellow Solid
- InChI
- 1S/C4H4N2O/c7-6-3-1-5-2-4-6/h1-4H
- InChIKey
- RUIZBQQGWNBRFH-UHFFFAOYSA-N
- SMILES
- [O-][n+]1ccncc1
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- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | F,Xn | ||
|---|---|---|---|
| ?? ???? ?? | 11-22-37/38-41 | ||
| ????? | 26-39 | ||
| ????(UN No.) | UN 1325 4.1/PG 2 | ||
| WGK ?? | 3 | ||
| ???? ??? | 4.1B - Flammable solid hazardous materials | ||
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Flam. Sol. 1 Skin Irrit. 2 STOT SE 3 |
| ????(GHS): |
  
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Purification Methods
If the sample contains pyrazine-1-oxide, then place it in a Soxhlet extractor and extract it with hot pet ether (b 60-68o) in which the mono-oxide is soluble. Collect the dioxide from the thimble and recrystallise it from MeOH. It is dried in vacuo. It has at 1270cm-1 . [Koelsch & Gumprecht J Org Chem 23 1605 1958.]???N-???? ?? ?? ? ???
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???N-???? ?? ??:
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PYRAZINE-2-CARBOTHIOAMIDE
N'-HYDROXY-2-PYRAZINECARBOXIMIDAMIDE
PYRAZINE-N,N'-DIOXIDE
2-ACETYL-3-METHYLQUINOXALINEDIIUM-1,4-DIOLATE
2-(METHOXYCARBONYL)-3-METHYLQUINOXALINEDIIUM-1,4-DIOLATE
2-METHYLQUINOXALINEDIIUM-1,4-DIOLATE
3-AMINO-6-(CHLOROMETHYL)-2-PYRAZINECARBONITRILE 4-OXIDE
3-AMINO-2-QUINOXALINECARBONITRILE 1,4-DIOXIDE
2,3-BIS(BROMOMETHYL)QUINOXALINE 1,4-DIOXIDE
BENZO[A]PHENAZINE 12-OXIDE
2,3-dimethylquinoxaline 1,4-dioxide
PYRAZINE N-OXIDE
2,5-DIMETHYL PYRAZINE N-OXIDE
2-(ETHOXYCARBONYL)-3-METHYLQUINOXALINEDIIUM-1,4-DIOLATE
QUINOXALINE N-OXIDE
TETRAMETHYL-PYRAZINE,1-OXIDE