Hydrogen sulfide

• Catalog No.: Hydrogen_sulfide
• CAS Number: 7783-06-4
• M. F.: H2S
• M. W.: 34.08088

SYNONYMS

• IUPAC name: hydrogen sulfide
• IUPAC Systematic name: Hydrogen sulfide
• IUPAC Traditional name: hydrogen sulfide
• Synonyms: Sulfuretted hydrogen; Sewer gas; Sulfane; Stink damp; Sulfureted hydrogen; Dihydrogen monosulfide; Dihydrogen sulfide; Sulfurated hydrogen; Sulfur hydride; Hydrosulfuric acid

DATABASE IDS

• Wikipedia Title: Hydrogen_sulfide
• CAS Number: 7783-06-4
• CHEBI ID: 16136
• Chemspider ID: 391
• MeSH Name: Hydrogen+sulfide
• KEGG ID: C00283
• PubChem CID: 402
• Beilstein Number: 3535004
• Gmelin ID: 303
• CHEMBL: 1200739
• EC Number: 231-977-3
• Unique Ingredient Identifier: YY9FVM7NSN

PROPERTIES

• pKa: 7.0
• Apperance: Colorless gas
• Auto Ignition Point: 232 °C
• pKb: 6.95
• Boiling Point: -60°C
• Std enthalpy of formation: -21 kJ·mol^-1
• Density: 1.363 g dm^-3
• Flash Point: -82.4 °C.
• Heat Capacity: 1.003 J K^-1 g^-1
• Melting Point: -82°C
• Std molar entropy: 206 J·mol^-1·K^-1
• Odor: faint rotten egg
• Refractive Index: 1.000644 (0 °C)
• Solubility: 4 g dm^-3 (at 20 °C) in water
• Vapor Pressure: 1740 kPa (at 21 °C)
• EU Index: 016-001-00-4
• Explode Limits: 4.3–46%
• European Hazard Symbols: Highly flammable (F+)
• European Hazard Symbols: Highly toxic (T+)
• European Hazard Symbols: Nature polluting (N)
• NFPA704:
  

  4

  4

  0
• Risk Statements: R12, R26, R50
• RTECS: MX1225000
• Safety Statements: S1/2, S9, S16, S36, S38, S45, S61
• UN Number: 1053