| Identification | |
| Name: | Ethyne |
| Synonyms: | Acetylene(8CI);Vinylene (7CI);Ethine;Narcylen; |
| CAS: | 74-86-2 |
| EINECS: | 200-816-9 |
| Molecular Formula: | C2H2 |
| Molecular Weight: | 26.04 |
| InChI: | InChI=1/C2H2/c1-2/h1-2H |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 1001 |
| Density: | 0.568 g/cm3 |
| Stability: | High in closed containers. Highly reactive; all mixtures of C2H2 (water saturated) in air can be exploded at pressures above 2 atmospheres. |
| Refractive index: | 1.00051 |
| Water Solubility: | 0.106 g/100 mL |
| Solubility: | 0.106 g/100 mL |
| Appearance: | A colorless gas with a faint garlic-like odor. |
| Specification: | Safety Statements:9-16-33 9:Keep container in a well-ventilated place 16:Keep away from sources of ignition - No smoking 33:Take precautionary measures against static discharges |
| Packinggroup: | O52 |
| Storage Temperature: | Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. |
| Color: | Colorless gas ... [Note: Shipped under pressure dissolved in acetone]. |
| Usage: | Illuminant, oxyacetylene welding, cutting and soldering metals, signalling, precipitating metals, manufacture of acetaldehyde, acetic acid, fuel for motor boats. |
| Safety Data | |
| Hazard Symbols |
F+:Highlyflammable
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