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Hydrogen disulfide information


Hydrogen disulfide

  Sulfur, S
  Hydrogen, H
Names
IUPAC name
Dihydrogen disulfide
Systematic IUPAC name
Disulfane
Other names
  • Dithioperoxol
  • Hydrogen disulphide
  • Hydrogen persulfide
  • Hydrogen persulphide
  • Thiosulfenic acid
Identifiers
CAS Number
  • 13465-07-1 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:33114 checkY
ChemSpider
  • 97274 checkY
PubChem CID
  • 108196
CompTox Dashboard (EPA)
  • DTXSID10158844 Edit this at Wikidata
InChI
  • InChI=1S/H2S2/c1-2/h1-2H checkY
    Key: BWGNESOTFCXPMA-UHFFFAOYSA-N checkY
  • InChI=1/H2S2/c1-2/h1-2H
    Key: BWGNESOTFCXPMA-UHFFFAOYAV
SMILES
  • SS
Properties
Chemical formula
H2S2
Molar mass 66.14 g·mol−1
Appearance Pale yellow liquid
Density 1.334 g/cm3
Melting point −89.6 °C (−129.3 °F; 183.6 K)
Boiling point 70.7 °C (159.3 °F; 343.8 K)
Hazards
Flash point flammable
Related compounds
Related compounds
  • Hydrogen sulfide
  • Hydrogen peroxide
  • Hydrogen diselenide
  • Hydrogen ditelluride
  • Disulfur dichloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Hydrogen disulfide is the inorganic compound with the formula H2S2. This hydrogen chalcogenide is a pale yellow volatile liquid with a camphor-like odor. It decomposes readily to hydrogen sulfide (H2S) and elemental sulfur.[1]

  1. ^ R. Steudel "Inorganic Polysulfanes H2Sn with n > 1" in Elemental Sulfur and Sulfur-Rich Compounds II (Topics in Current Chemistry) 2003, Volume 231, pp 99–125. doi:10.1007/b13182

and 26 Related for: Hydrogen disulfide information

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Hydrogen disulfide

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Hydrogen disulfide is the inorganic compound with the formula H2S2. This hydrogen chalcogenide is a pale yellow volatile liquid with a camphor-like odor...

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Disulfide

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dimethyl disulfide. When the two R groups are not identical, the compound is said to be an asymmetric or mixed disulfide. Although the hydrogenation of disulfides...

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Molybdenum disulfide

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Molybdenum disulfide (or moly) is an inorganic compound composed of molybdenum and sulfur. Its chemical formula is MoS 2. The compound is classified as...

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Hydrogen peroxide

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strong hydrogen bonding. Diphosphane and hydrogen disulfide exhibit only weak hydrogen bonding and have little chemical similarity to hydrogen peroxide...

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Carbon disulfide

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Carbon disulfide (also spelled as carbon disulphide) is an inorganic compound with the chemical formula CS2 and structure S=C=S. It is also considered...

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Hydrogen sulfide

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sulfides, e.g. aluminium sulfide, phosphorus pentasulfide, silicon disulfide liberate hydrogen sulfide upon exposure to water: 6 H2O + Al2S3 → 3 H2S + 2 Al(OH)3...

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Glutathione disulfide

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peroxidases and peroxiredoxins, generate glutathione disulfide during the reduction of peroxides such as hydrogen peroxide (H2O2) and organic hydroperoxides (ROOH):...

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Hydrogen chalcogenide

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This isomeric form of hydrogen peroxide, oxywater, has not been synthesized experimentally. The analogous isomer of hydrogen disulfide, thiosulfoxide, has...

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Sulfanyl

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on carbon disulfide, carbon oxysulfide and hydrogen sulfide with side products of carbon dioxide and water. Photodissociation of hydrogen sulfide also...

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Dimethyl disulfide

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Dimethyl disulfide (DMDS) is an organic chemical compound with the molecular formula CH3SSCH3. It is a flammable liquid with an unpleasant, garlic-like...

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Pyrite

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viewed as derived from hydrogen disulfide, H2S2. Thus pyrite would be more descriptively called iron persulfide, not iron disulfide. In contrast, molybdenite...

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Pseudohalogen

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cyanogen; pseudohalide anions, such as cyanide ion; inorganic acids, such as hydrogen cyanide; as ligands in coordination complexes, such as ferricyanide; and...

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Hydrogen thioperoxide

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chemical has been described as the "missing link" between hydrogen peroxide and hydrogen disulfide (H–S–S–H), though it is substantially less stable than...

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Siraitia grosvenorii

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offending compounds are sulfur-containing volatile substances such as hydrogen disulfide, methional, methionol, dimethylsulfide, and methylmercaptan, which...

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Sulfide

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inorganic and organic compounds, e.g. lead sulfide and dimethyl sulfide. Hydrogen sulfide (H2S) and bisulfide (SH−) are the conjugate acids of sulfide. The...

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Sulfan

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Tetraethylthiuramdisulfid, or Antabuse Disulfan (inorganic compound) [de] aka Hydrogen disulfide This disambiguation page lists articles associated with the title...

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Thiol

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an organic disulfide (R−S−S−R). 2 R−SH + Br2 → R−S−S−R + 2 HBr Oxidation by more powerful reagents such as sodium hypochlorite or hydrogen peroxide can...

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Rayon

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carbon disulfide: [C6H5(OH)4−OCS2Na]2n + nH2SO4  →  [C6H5(OH)4−OH]2n + 2nCS2 + nNa2SO4 Aside from regenerated cellulose, acidification gives hydrogen sulfide...

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Titanium disulfide

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films by chemical vapor deposition. Thiols and organic disulfides can be employed in place of hydrogen sulfide. A variety of other titanium sulfides are known...

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Erwiniaceae

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catalase-positive, oxidase-negative, and do not produce indole or hydrogen disulfide. Most species are positive for Voges-Proskauer test, with the exception...

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Sulfur

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and 50 °C (122 °F). Sulfur is insoluble in water but soluble in carbon disulfide and, to a lesser extent, in other nonpolar organic solvents, such as benzene...

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Disulfur dichloride

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S2Cl2 hydrolyzes to sulfur dioxide and elemental sulfur. When treated with hydrogen sulfide, polysulfanes are formed as indicated in the following idealized...

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Diphenyl disulfide

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with this compound. Diphenyl disulfide is usually prepared by the oxidation of thiophenol: 2 PhSH + I2 → Ph2S2 + 2 HI Hydrogen peroxide can also be used...

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Yersiniaceae

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These bacteria are motile, catalase-positive, and do not produce hydrogen disulfide. Analyses of genome sequences from Yersiniaceae species identified...

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Uranium disulfide

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Uranium disulfide is an inorganic chemical compound of uranium in oxidation state +4 and sulfur in oxidation state -2. It is radioactive and appears in...

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Thiuram disulfide

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oxidants employed include chlorine and hydrogen peroxide: 2 R2NCSSNa + Cl2 → (R2NCSS)2 + 2 NaCl Thiuram disulfides react with Grignard reagents to give...

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