Hydrogen Iodide (HI) is a nonflammable gas that in aqueous solution forms a strong acid. It is formed from hydrogen and iodine vapor over a catalyst. It is toxic and acts as an irritant to skin. Its main uses are in the pharmaceutical industry.
Molecular weight:127.91 | Critical temperature: 424 K |
Melting point: 222.4 K | Critical pressure: 8.3 MPa |
Normal boiling point: 237.6 K | Critical density: 976 kg/m3 |
(Normal vapor density: 5.71 kg/m3 ) | |
(@ 0°C, 101.3 kPa) |