Hydrogen Phosphide, Phosphine: PH3
Molecular weight g/mol: 33.998
Purity: 99.996%
CAS: 7803-51-2 EC: 232-260-8 UN: 2199
Typical Filling Pressure: 15 °C: 37 bar(a) 70 °F: 507.4 psi(g)
Characteristics: Flammable. Liquefied, colourless gas with an odour similar to rotten fish. Ignites spontaneously in air.
| Liquid State | |
| Density at b.p. 1 atm kg/l: | 0.7437 |
| Density 20 °C kg/l: | 0.507 |
| Vapor pressure 20 °C bar: | 35.17 |
| Specific heat kJ/kg*K: | |
| Rel.Spec.wgt, air=1 (15 °C.1 bar): | 1.18 |
| Density 15 °C 1 atm kg/m3: | 1.45 |
| Gaseous state | |
| Specific heat (15 °C) kJ/kg* K: | 1.079 |
| Thermal conductivity µW/cm• K: | |
| Solubility in water at P=1 bar l/kg: | |
| Boiling point (1 atm) | |
| Temp. °C: | -87.7 |
| Heat of vaporization kJ/kg | 412.2 |
| Critical point | |
| Temp. °C: | 51.6 |
| Pressure bar: | 65.36 |
| Density kg/l: | 0.3000 |
| Flammability in air | |
| Lower limit % volume: | 0.0 |
| Upper limit % volume: | 0 |
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