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CAS 10034-85-2

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Hydrogen iodide

Description:
Hydrogen iodide (HI) is a colorless gas at room temperature, characterized by its pungent odor and strong acidic properties when dissolved in water, forming hydroiodic acid. It is a diatomic molecule consisting of hydrogen and iodine, with a molecular weight of approximately 127.91 g/mol. HI is highly soluble in water, and its aqueous solution is a strong acid, capable of donating protons (H+) readily. The substance is also known for its reactivity, particularly with bases and oxidizing agents, leading to the formation of various iodide compounds. Hydrogen iodide can be produced through the direct combination of hydrogen and iodine gases, typically under controlled conditions. It is important to handle HI with care, as it can cause severe irritation to the respiratory system, skin, and eyes. In industrial applications, HI is utilized in the synthesis of iodides, as a reagent in organic chemistry, and in the production of certain pharmaceuticals. Proper safety measures and equipment are essential when working with this chemical due to its corrosive nature.
Formula:HI
InChI:InChI=1S/HI/h1H
InChI key:InChIKey=XMBWDFGMSWQBCA-UHFFFAOYSA-N
SMILES:I
Synonyms:
  • Anhydrous hydriodic acid
  • Hydriodic acid (47% in water)
  • Hydriodic acid solution
  • Hydriodicacidaqsoln
  • Hydrogen iodide
  • Hydrogen iodide (HI)
  • Hydrogen monoiodide
  • Hydrogeniodid
  • Hydroidic acid
  • Hydroiodic Acid 47%
  • See more synonyms
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