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Revision as of 19:58, 16 February 2012 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 477027821 of page Acetylene for the Chem/Drugbox validation project (updated: '').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) | This page contains a copy of the infobox ({{chembox}}) taken from revid 477027821 of page Acetylene with values updated to verified values. |
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| Names | |
|---|---|
| IUPAC name Acetylene | |
| Systematic IUPAC name Ethyne | |
| Identifiers | |
| CAS Number | |
| 3D model (JSmol) | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| KEGG | |
| UNII | |
| UN number | 1001 (dissolved) 3138 (in mixture with ethylene and propylene) |
InChI
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SMILES
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| Properties | |
| Chemical formula | C2H2 |
| Molar mass | 26.038 g·mol |
| Density | 1.097 kg m |
| Melting point | −80.8 °C, 192.4 K, −113.4 °F |
| Boiling point | −84 °C (−119 °F; 189 K) |
| Acidity (pKa) | 25 |
| Structure | |
| Molecular shape | Linear |
| Thermochemistry | |
| Std molar entropy (S298) |
201 J·mol·K |
| Std enthalpy of formation (ΔfH298) |
+226.88 kJ/mol |
| Hazards | |
| NFPA 704 (fire diamond) |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
 Y verify (what is ?)
Infobox references
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Chemical compound
- Acyclic Hydrocarbons. Rule A-3. Unsaturated Compounds and Univalent Radicals, IUPAC Nomenclature of Organic Chemistry