PYRAZINE N-OXIDE
Synonym(s):Pyrazine-1-oxide
- CAS NO.：2423-65-6
- Empirical Formula: C4H4N2O
- Molecular Weight: 96.09
- MDL number: MFCD00190582
- SAFETY DATA SHEET (SDS)
- Update Date: 2022-08-15 17:39:40
What is PYRAZINE N-OXIDE?
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.]
Properties of PYRAZINE N-OXIDE
| Melting point: | 112-116 °C |
| Boiling point: | 126-127 °C(Press: 14 Torr) |
| Density | 1.19±0.1 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| pka | 0.45±0.39(Predicted) |
Safety information for PYRAZINE N-OXIDE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H228:Flammable solids H302:Acute toxicity,oral H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for PYRAZINE N-OXIDE
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