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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 04:38, 17 February 2012 (Saving copy of the {{chembox}} taken from revid 477306814 of page Hydrogen_sulfide for the Chem/Drugbox validation project (updated: 'ChEMBL').). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 04:38, 17 February 2012 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 477306814 of page Hydrogen_sulfide for the Chem/Drugbox validation project (updated: 'ChEMBL').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This page contains a copy of the infobox ({{chembox}}) taken from revid 477306814 of page Hydrogen_sulfide with values updated to verified values.
WikiProject Chemicals/Chembox validation/VerifiedDataSandbox
Skeletal formula of hydrogen sulfide with two dimensions
Skeletal formula of hydrogen sulfide with two dimensions
Spacefill model of hydrogen sulfide
Spacefill model of hydrogen sulfide
Names
Systematic IUPAC name Hydrogen sulfide
Other names Dihydrogen monosulfide

Dihydrogen sulfide
Sewer gas
Stink damp
Sulfane
Sulfurated hydrogen
Sulfureted hydrogen
Sulfuretted hydrogen
Sulfur hydride

Hydrosulfuric acid
Identifiers
CAS Number
3D model (JSmol)
Beilstein Reference 3535004
ChEBI
ChemSpider
EC Number
  • 231-977-3
Gmelin Reference 303
KEGG
MeSH Hydrogen+sulfide
PubChem CID
RTECS number
  • MX1225000
UNII
UN number 1053
InChI
  • InChI=1S/H2S/h1H2Key: RWSOTUBLDIXVET-UHFFFAOYSA-N
  • InChI=1/H2S/h1H2Key: RWSOTUBLDIXVET-UHFFFAOYAJ
SMILES
  • S
Properties
Chemical formula H2S
Molar mass 34.08 g·mol
Appearance Colorless gas
Odor faint rotten egg
Density 1.363 g dm
Melting point −82 °C (−116 °F; 191 K)
Boiling point −60 °C (−76 °F; 213 K)
Solubility in water 4 g dm (at 20 °C)
Vapor pressure 1740 kPa (at 21 °C)
Acidity (pKa) 7.0
Basicity (pKb) 6.95
Refractive index (nD) 1.000644 (0 °C)
Structure
Molecular shape Bent
Dipole moment 0.97 D
Thermochemistry
Heat capacity (C) 1.003 J K g
Std molar
entropy (S298) 		206 J·mol·K
Std enthalpy of
formation (ΔfH298) 		−21 kJ·mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
4 4 0
Flash point 207 °C (closed cup)
Explosive limits 4.3–46%
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound
  1. "Hydrogen Sulfide - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information.
  2. Perrin, D.D., Ionisation Constants of Inorganic Acids and Bases in Aqueous Solution, 2nd Ed., Pergamon Press: Oxford, 1982.
  3. Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0-07-049439-8
  4. ^ Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. p. A23. ISBN 061894690X.