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| 74-86-2 acetylene | |
| Chemical Name | acetylene | 
| Synonyms | ethenylene;Ethine;Ethyne;Narcylen;Welding Gas | 
| Molecular Formula | C2H2 | 
| Molecular Weight | 26.0373 | 
| InChl | InChI=1/C2H2/c1-2/h1-2H | 
| CAS Registry Number | 74-86-2 | 
| EINECS | 200-816-9 | 
| Molecular Structure |  | 
| Density | 0.568g/cm3 | 
| Melting Point | -88℃ | 
| Refractive Index | 1.315 | 
| Water Solubility | 0.106 g/100 mL | 
| Vapour Pressur | 69700mmHg at 25°C | 
| Hazard Symbols | |
| MSDS | |