|
|
|
Physical state @ 20°C: |
Gas [3] |
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Color: |
Liquid: Colorless [2]
Gas: Colorless [2,3] |
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Odor: |
Liquid: None [2]
Gas: None [2] |
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Molecular weight (g/mol): |
39.948(1) [1] |
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Melting point (°C):  |
-189.37 [1] |
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Boiling point (°C): |
-185.86 [1,4] |
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Critical temperature (°C): |
-122.28 [2,4] |
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Critical pressure (kPa): |
4898 [4] |
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Density (g/cm3): |
Gas: 0.0017838 [1,4]
Liquid: 1.3939 [4]
Solid: 1.323 [4] |
|
Solubility: |
Water: 34 g/l (20 °C) [3]
Organic solvents: Insoluble (20 °C) [3] |
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