| Product Name | acetylene |
| CAS No. | 74-86-2 |
| Synonyms | ethenylene; Ethine; Ethyne; Narcylen; Welding Gas |
| InChI | InChI=1/C2H2/c1-2/h1-2H |
| Molecular Formula | C2H2 |
| Molecular Weight | 26.0373 |
| Density | 0.568g/cm3 |
| Melting point | -88℃ |
| Water solubility | 0.106 g/100 mL |
| Refractive index | 1.315 |
| Hazard Symbols |  F+:Highly flammable; |
74-86-2 acetylene
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