This Osmium Tetraoxide product, with a Molecular Weight of 254.2 g/mol, is utilized primarily in the field of fixation for electron microscopy within life science applications. It belongs to the categories of Osmium compounds and Metal oxides. Due to its hazardous nature, it requires strict handling guidelines. Workplace precautions include prohibiting smoking, no unauthorized personnel, no eating or drinking, warning labels, caution against toxic and corrosive materials, and mandatory use of safety goggles and gloves. The product has a Boiling Point of 266°F at 760 mmHg and a Melting Point of 105°F. It carries the GHS signal word "Danger" due to its acute oral toxicity.

• CAS Number: 20816-12-0
• Molecular Formula: O4Os
• Molecular Weight: 254.2
• Exact Mass: 255.94114
• Boiling Point: 266 °F at 760 mmHg (NIOSH, 2024)
• Melting Point: 105 °F (NIOSH, 2024)
• Density: Relative Vapour Density (air = 1): 8.8
• GHS Signal Word: Danger
• Hazard Statements:
• H300: Fatal if swallowed [Danger Acute toxicity, oral]
• H301: Toxic if swallowed [Danger Acute toxicity, oral]