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Formula: HI

Hydrogen Iodide is a colorless gas that is highly soluble in water.


Applications of hydrogen iodide include the following:

  • Used primarily in the manufacturing of hydriodic acid and in the preparation of organic and inorganic iodides
  • Also utilized as a reducing agent



Grade 3
Purity 99.9%
Chemical & Physical Properties
Molecular Weight 127.93
Specific Volume 3.0 cu. ft/lb
Pressure @ 70° F 95 psig
Valve Outlet CGA 330/180


Shipping Information
DOT Name Hydrogen Iodide, Anhydrous
Hazard Class 2.3
DOT No. UN 2197
DOT Label Inhalation Hazard
CAS No. 10034-85-2


Cylinder Size Fill Volume (lbs)
Size 10 5
LB 0.55