Pyridine-D5, 99.5 Atom % D, 1X25G is applied in various analytical and synthetic procedures as a solvent and labelling agent. Its molecular formula is C5H5N, with a molecular weight of 79.10. It exhibits a Boiling Point of 115.0 °C and a Melting Point of -42.2 °C. Due to its flammability, it carries the danger signal word. Additionally, it poses a high risk to aquatic life, making it essential to handle this compound responsibly.

• CAS Number: 7291-22-7
• GHS Signal Word: Danger
• Boiling Point: 115.0 °C
• Molecular Formula: C5H5N
• Molecular Weight: 79.10
• Exact Mass: 79.042199164
• Melting Point: -42.2 °C
• Vapour Density: 2.72
• Hazard Statements:
• H225: Highly Flammable liquid and vapor [Danger Flammable liquids]
• H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]