2-Ethynylpyridine is a professionally handled substance with documented safety properties. Its molecular formula is C7H5N, with a molecular weight of 103.12. This compound belongs to the pyridine family, a class of aromatic heterocyclic organic compounds containing a six-membered ring with one nitrogen atom and five carbon atoms. As a Warning-class substance, it may cause skin irritation a molar refractivity of 19.0 cm³·mol⁻¹ and a Melting Point range of 28-30°C. It finds application as an intermediate in the synthesis of various pharmaceuticals and agrochemicals.

• CAS Number: 1945-84-2
• Exact Mass: 103.042199164
• GHS Signal Word: Warning
• Molecular Weight: 103.12
• Molecular Formula: C7H5N
• Hazard Statements:
• H315: Causes skin irritation [Warning Skin corrosion/irritation]