Acetylene
| C2H2 PHYSICAL PROPERTIES | ||
| US Units | SI Units | |
| Chemical formula | C2H2 | C2H2 |
| Molecular weight | 26.04 | 26.04 |
| Density of the gas at 32°F(0°C)and 1atm. | 0.07314 lb/ft3 | 1.1716kg/m3 |
| Specific gravity of the gas 32°F (0°C)and 1 atm (air=1) | 0.0906 | 0.0906 |
| Specific volume of the gas 70°F (21.°C) and 1 atm | 14.7 ft3/lb | 0.918 m3/kg |
| Density of the liquid saturated at 70°F (21.1°C) | 24.0 lb/ft3 | 384 kg/m3 |
| Melting point at 1atm | -116°F | -82.2°C |
| Critical temperature | 96.8°F | -36.0°C |
| Critical pressure | 907 psia | 6254 KPa, abs |
| Critical density | 14.4 lb/ft3 | 231 kg/m3 |
| Boiling point at 10psig b (69kpa) | -103.4°F | -75.2°C |
| Vapor pressure at 70°F (21.1°C) | 635 psig | 4378 kPa |
| Solubility in water vol/vol at 60°F(15.6°C) | 1.1 | 1.1 |
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