Pyrazine
Compounds
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![PDF] Review on the Synthesis of Pyrazine and Its Derivatives ...](/imgres?imgurl=https://d3i71xaburhd42.cloudfront.net/6201e4032922d5230c3b19df5adaef1e46e56764/1-Figure1-1.png&imgrefurl=https://www.semanticscholar.org/paper/Review-on-the-Synthesis-of-Pyrazine-and-Its-Ong-Liu/6201e4032922d5230c3b19df5adaef1e46e56764&h=446&w=556&tbnid=hPRw-QWeeLaIJM&q=Pyrazine&tbnh=107&tbnw=133&usg=AI4_-kTVqsVQ3JeGbYDMtMBjYhPg5ufHhw&vet=1&docid=lr0x96VueqR5gM&sa=X&ved=2ahUKEwi77aChjOGFAxUoa2wGHRmpCCIQ9QF6BAgAEAY)
Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C₄H₄N₂. It is a symmetrical molecule with point group D₂ₕ. Pyrazine is less basic than pyridine, pyridazine and pyrimidine. It is a "deliquescent crystal or wax-like... Wikipedia
Molar mass: 80.09 g/mol
Formula: C4H4N2
Boiling point: 239°F (115°C)
Classification: Organic compound
Density: 1.03 g/cm³
Acidity (pKa): 0.37 (protonated pyrazine)
Flash point: 55 °C (131 °F; 328 K) c.c