Mercury(II) oxide

• Catalog No.: Mercury(II)_oxide
• CAS Number: 21908-53-2
• M. F.: HgO
• M. W.: 216.5894

SYNONYMS

• IUPAC name: oxomercury
• IUPAC Traditional name: mercury(II) oxide
• Synonyms: Montroydite; Mercuric oxide

DATABASE IDS

• Wikipedia Title: Mercury(II)_oxide
• Chemspider ID: 28626
• CAS Number: 21908-53-2
• KEGG ID: C18670

PROPERTIES

• Apperance: Yellow or red solid
• Bandgap: 2.2 eV
• Std enthalpy of formation: -90 kJ·mol^-1
• Density: 11.14 g/cm^3
• Flash Point: Non-flammable
• Melting Point: 500 °C (decomposes)
• Std molar entropy: 70 J·mol^-1·K^-1
• Odor: odorless
• Refractive Index: 2.5 (550 nm)
• Solubility: 0.0053 g/100 mL (25 °C) ; 0.0395 g/100 mL (100 °C) in water
• Solubility: insoluble in alcohol, ether, acetone, ammonia
• EU Index: 080-002-00-6
• European Hazard Symbols: Very toxic (T+)
• European Hazard Symbols: Dangerous for the environment (N)
• NFPA704:
  

  1

  3

  0
• Risk Statements: R26/27/28, R33, R50/53
• RTECS: OW8750000
• Safety Statements: S1/2, S13, S28, S45, S60, S61
• UN Number: 1641