Sulfide

Sulfide (British English also sulphide) is an inorganic anion of sulfur with the chemical formula S2− or a compound containing one or more S2− ions. Solutions of sulfide salts are corrosive. Sulfide also refers to large families of inorganic and organic compounds, e.g. lead sulfide and dimethyl sulfide. Hydrogen sulfide (H2S) and bisulfide (SH−) are the conjugate acids of sulfide.

This article is about sulfur anion in general. For the organic compound also called sulfide, see thioether. For other uses, see Sulphide (disambiguation).
Sulfide
Names
Systematic IUPAC name
Sulfide(2−) (additive), recommended name
Sulfanediide (substitutive), not common, rarely used, sometimes generated by automated nomenclature software in organic chemistry
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
UNII
  • InChI=1S/S/q-2 Y
    Key: UCKMPCXJQFINFW-UHFFFAOYSA-N Y
  • [S--]
Properties
S2−
Molar mass 32.06 g·mol−1
Conjugate acid Bisulfide
Related compounds
Other anions
 oxide
selenide
Telluride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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