| Identification | |
| Name: | Hydriodic acid |
| Synonyms: | Hydrogen iodide; Hydriodicacidaqsoln; hydroiodic acid 47%; hydroiodic acid 67%; hydroiodic acid 55-58%; Hydriodic acid solution; Hydroiodic acid 57% (stab.); Hydriodic acid (47% in water); Hydroiodic acid |
| CAS: | 10034-85-2 |
| EINECS: | 233-109-9 |
| Molecular Formula: | HI |
| Molecular Weight: | 127.91 |
| InChI: | InChI=1/HI/h1H |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 2197/1787 |
| Density: | 1.701 |
| Stability: | Stable. Incompatible with bases, amines. Corrodes steel. May discolour on exposure to air and light. |
| Refractive index: | 1.466 (16 C) |
| Water Solubility: | soluble |
| Solubility: | soluble in water |
| Appearance: | colorless to yellow brown liquid |
| Packinggroup: | II |
| Sensitive: | Hygroscopic |
| Color: | Colorless gas; fumes in moist air |
| Usage: | Reducing agent, manufacture of inorganic iodides, pharmaceuticals, disinfectants. The 57% acid is also used for analytical purposes, such as methoxyl determinations. |
| Safety Data | |
| Hazard Symbols |
C:Corrosive
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