Formula: HCl

Hydrogen Chloride is a colorless, nonflammable, liquefied gas.

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Applications of hydrogen chloride include the following:

  • Used as a chemical intermediate
  • In the hydrochlorination of rubber
  • As a babbitting flux
  • In the production of vinyl and alkyl chlorides
  • In the separation of cotton from wool
  • In the delinting of cotton
  • In the manufacturing of inorganic chlorides
  • As a catalyst and condensing agent
  • As a catalyst for bodying oils
  • Electronic grade hydrogen chloride is used for etching semiconductor crystals



Grade 2.5
Purity 99.5%
Carbon Dioxide & Carbon Monoxide  < 20 ppmv
Oxygen & Argon  < 100 ppmv
THC  < 60 ppmv
Nitrogen  < 800 ppmv

**Moisture level guaranteed only when Electronic Fluorocarbons prepares the cylinders.
All concentrations are on a mol/mol basis unless otherwise stated.
This product is analyzed liquid phase.

Chemical & Physical Properties
Molecular Weight 36.46
Specific Volume 10.6 cu.ft/lb
Pressure @ 70° F 613 psig
Valve Outlet CGA 330


Shipping Information
DOT Name Hydrogen Chloride, Anhydrous
Hazard Class 2.3
DOT No. UN 1050
DOT Label Poison Gas Inhalation Hazard Corrosive Gas
CAS No. 7647-01-0



Cylinder Size Fill Weight (lbs)
Y 600
49L/Size 300 65
44L/Size 200 60

*This gas not available for purchase online.