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Silver acetylide
Chemical compound / From Wikipedia, the free encyclopedia
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Silver acetylide is an inorganic chemical compound with the formula Ag2C2, a metal acetylide. The compound can be regarded as a silver salt of the weak acid, acetylene. The salt's anion consists of two carbon atoms linked by a triple bond, thus, its structure is [Ag+]2[−C≡C−]. The alternate name "silver carbide" is rarely used, although the analogous calcium compound CaC2 is called calcium carbide. Silver acetylide is a primary explosive.
Quick Facts Names, Identifiers ...
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Names | |
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Preferred IUPAC name
Silver acetylide | |
Systematic IUPAC name
Silver(I) ethynediide | |
Other names
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Identifiers | |
3D model (JSmol) |
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CompTox Dashboard (EPA) |
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Properties | |
Ag2C2 | |
Molar mass | 239.758 g·mol−1 |
Appearance | gray or white solid |
Density | 4.47 g/cm3[1] |
Melting point | 120 °C (248 °F; 393 K) |
Boiling point | decomposes |
insoluble | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
highly sensitive primary explosive |
NFPA 704 (fire diamond) | |
Flash point | 77 °C (171 °F; 350 K) |
Thermochemistry | |
Std enthalpy of formation (ΔfH⦵298) |
357.6±5.0 kJ/mol[2] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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