| font size=+1>Properties |
| colspan=2 align=center bgcolor="#FFDEAD"|General |
| ame | Hydrogen iodide |
| a href="/encyclopedia/Chemical-formula" title="Chemical formula">Chemical formula | HI |
| a href="/encyclopedia/color" title="color">Appearance | Colourless gas |
| colspan=2 align=center bgcolor="#FFDEAD"|Physical |
| a href="/encyclopedia/Atomic-weight" title="Atomic weight">Formula weight | 127.91 amu |
| a href="/encyclopedia/Melting-point" title="Melting point">Melting point | 222.4 K (-50.8 °C |
| a href="/encyclopedia/Boiling-point" title="Boiling point">Boiling point | 237.77 K (-35.38 °C) |
| a href="/encyclopedia/Density" title="Density">Density | 1.7 ×103 kg/m3 (liquid) |
| a href="/encyclopedia/Solubility" title="Solubility">Solubility | 42.5 g in 100g water |
| colspan="2" align="center" bgcolor="#FFDEAD"|Thermochemistry |
| a href="/encyclopedia/Standard-enthalpy-change-of-formation" title="Standard enthalpy change of formation">ΔfH0gas | ? kJ/mol |
| Delta;fH0liquid | ? kJ/mol |
| Delta;fH0solid | ? kJ/mol |
| a href="/encyclopedia/Standard-molar-entropy" title="Standard molar entropy">S0gas, 1 bar | ? J/mol·K |
| 0liquid, 1 bar | ? J/mol·K |
| 0solid | ? J/mol·K |
| colspan="2" align="center" bgcolor="#FFDEAD"|Safety |
| ngestion | Toxic, can be fatal. |
| nhalation | Fumes may be fatal. Do not give unprotected mouth-to-mouth resuscitation. |
| kin | May cause severe burns. |
| yes | Extremely dangerous. |
colspan="2" align="left" bgcolor="#FFDEAD"|SI units were used where possible. Unless otherwise stated, standard conditions were used.
Disclaimer and references |
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