Mercury (Ll) Oxide Red [21908-53-2] is a recognized compound in chemical applications. Its molecular formula is HgO, with a molecular weight of 216.59. This substance decomposes at 500.0 °C, and it carries the hazard signal word "Danger." It belongs to the Mercury compounds and Metal oxides substance groups.

• CAS Number: 21908-53-2
• Molecular Weight: 216.59
• Vapour Density: 11.1 at 39 °F
• GHS Signal Word: Danger
• Molecular Formula: HgO
• Melting Point: Decomposes at 500.0 °C
• Exact Mass: 217.965558
• Hazard Statements:
• H300: Fatal if swallowed [Danger Acute toxicity, oral]
• H315: Causes skin irritation [Warning Skin corrosion/irritation]