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| Names | |
|---|---|
| Acetylene | |
| Ethyne | |
| Identifiers | |
| {{{value}}} | |
3D model () |
|
| CHEBI:{{{value}}} | |
| {{{value}}} | |
| {{{value}}} | |
| {{{value}}} | |
| (dissolved) (in mixture with and ) | |
| Properties | |
| C2H2 | |
| 26.04 g mol−1 | |
| 1.097 kg/m3 | |
| −80.8 °C (189 K, subl) | |
| −84 °C | |
| (pKa) | 25 |
| Structure | |
| Thermochemistry | |
| ΔfH | +226.88 kJ/mol |
| Hazards | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).  (verify) | |
Reactions
Reppe chemistry
discovered that in the presence of metal , acetylene can react to give a wide range of industrially significant chemicals.
- With , , , or to give compounds:
- With to give ethynyl diols.
![image]()
- is produced industrially in this way from and acetylene.
- With carbon monoxide to give , or acrylic esters, which can be used to produce .
- Cyclicization to give and :
References
- Acyclic Hydrocarbons. Rule A-3. Unsaturated Compounds and Univalent Radicals, IUPAC Nomenclature of Organic Chemistry
External links
- Acetylene at Chemistry Comes Alive!
- Acetylene, the Principles of Its Generation and Use — තුළ
- Movie explaining acetylene formation from calcium carbide and the explosive limits forming fire hazards
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ම ම article අන ථ ල ප යක වන න ව නත ක ස ම ල ප යක ම ය ව ත න බ ඳ න බ ව න කර ණ කර ම ම ල ප යට ආශ ර ත ල ප වල න සබ ඳ එක කරන න ය ජන සඳහ සබ ඳ ස ව ම ම වලම භ ව ත කරන න 2013 ජ න Acetylene NamesAcetyleneEthyneIdentifiers value 3D model Interactive imageCHEBI value value value value dissolved in mixture with and PropertiesC2H226 04 g mol 11 097 kg m3 80 8 C 189 K subl 84 C pKa 25StructureThermochemistryDfHo298 226 88 kJ molHazardsExcept where otherwise noted data are given for materials in their standard state at 25 C 77 F 100 kPa Y verify Infobox referencesReactionsම ල ක ල ප ය Alkyne Reppe chemistry discovered that in the presence of metal acetylene can react to give a wide range of industrially significant chemicals With or to give compounds With to give ethynyl diols is produced industrially in this way from and acetylene With carbon monoxide to give or acrylic esters which can be used to produce Cyclicization to give and ReferencesAcyclic Hydrocarbons Rule A 3 Unsaturated Compounds and Univalent Radicals IUPAC Nomenclature of Organic ChemistryExternal linksAcetylene at Chemistry Comes Alive Acetylene the Principles of Its Generation and Use ත ළ Movie explaining acetylene formation from calcium carbide and the explosive limits forming fire hazards