Silver sulfide
488812
210928658
2008-05-08T00:34:45Z
Milk's Favorite Cookie
1761937
Copyedited.
{{chembox new
| ImageFile =
| ImageSize =
| IUPACName =
| SystematicName =
| OtherNames =
| Section1 = {{Chembox Identifiers
| Abbreviations =
| CASNo = 21548-73-2
| EINECS =
| EINECSCASNO =
| PubChem =
| SMILES =
| InChI =
| RTECS =
| MeSHName =
| ChEBI =
| KEGG =
| ATCCode_prefix =
| ATCCode_suffix =
| ATC_Supplemental =}}
| Section2 = {{Chembox Properties
| Formula = [[silver|Ag]]<sub>2</sub>[[sulfur|S]]
| MolarMass = 247.8 g/mol
| Appearance = Black cubic crystal
| Density =
| MeltingPt = 1098 [[kelvin|K]] (825 [[celsius|°C]])
| Melting_notes =
| BoilingPt =
| Boiling_notes =
| Solubility = 8.5<sup><nowiki>−</nowiki>15</sup>[[gram|g]] in 1L water
| SolubleOther =
| Solvent =
| LogP =
| VaporPressure =
| HenryConstant =
| AtmosphericOHRateConstant =
| pKa =
| pKb = }}
| Section3 = {{Chembox Structure
| CrystalStruct =
| Coordination =
| MolShape = }}
| Section4 = {{Chembox Thermochemistry
| DeltaHf = -32.6 kJ/mol
| DeltaHc =
| Entropy = 144.0 J/mol·K
| HeatCapacity = }}
| Section5 = {{Chembox Pharmacology
| AdminRoutes =
| Bioavail =
| Metabolism =
| HalfLife =
| ProteinBound =
| Excretion =
| Legal_status =
| Legal_US =
| Legal_UK =
| Legal_AU =
| Legal_CA =
| PregCat =
| PregCat_AU =
| PregCat_US = }}
| Section6 = {{Chembox Explosive
| ShockSens =
| FrictionSens =
| ExplosiveV =
| REFactor = }}
| Section7 = {{Chembox Hazards
| EUClass =
| EUIndex =
| MainHazards = May cause irritation
| NFPA-H =
| NFPA-F =
| NFPA-R =
| NFPA-O =
| RPhrases =
| SPhrases =
| RSPhrases =
| FlashPt =
| Autoignition =
| ExploLimits =
| LD50 =
| PEL = }}
| Section8 = {{Chembox Related
| OtherAnions =
| OtherCations =
| OtherFunctn =
| Function =
| OtherCpds = }}
}}
'''Silver sulfide''' (or ''Silver sulphide'' in British English), Ag<sub>2</sub>S, is the [[sulfide]] of [[silver]]. It is black and constitutes the [[tarnish]] that forms on silver when exposed to the [[hydrogen sulfide]] of the atmosphere. It is found in nature as the minerals [[argentite]] and acanthite.
When formed on [[contact|electrical contacts]] operating in an atmosphere rich in hydrogen sulfide, long filaments known as [[Silver Whiskers]] can form.
==External links==
* [http://www.saltlakemetals.com/Silver_Sulfide.htm Silver Sulfide]
[[Category:Sulfides]]
[[Category:Silver compounds]]
{{inorganic-compound-stub}}
[[ar:كبريتيد فضة]]
[[da:Sølvsulfid]]
[[de:Silbersulfid]]
[[fr:Sulfure d'argent]]
[[nl:Acanthiet]]
[[nn:Sølvsulfid]]