Hydrogen Chloride

Product Information

Airgas is the leading U.S. supplier of anhydrous hydrogen chloride (HCl) and we have been supplying HCl for over 20 years.

We offer the below grades of HCL in order to service your specific need.  Whether it’s technical grade for chemical production or electronic grade for the pharmaceutical industry, we can supply you exactly what you need and when you need it.

Hydrogen Chloride is a colorless gas with a sharp, pungent odor. It is nonflammable but can be irritating to both the respiratory tract and eyes.

TechnicalGrade Electronic Grade
Total Purity >99.5% >99.997%
Carbon Dioxide N/A < 5.0 ppmv
Carbon Monoxide N/A < 1.0 ppmv
Carbon Monoxide & Carbon Dioxide < 20 ppmv N/A
Nitrogen < 800 ppmv < 10.0 ppmv
Oxygen & Argon < 100 ppmv < 4.0 ppmv
Total Hydrocarbons < 60 ppmv N/A
Methane N/A < 2.0 ppmv
Moisture N/A < 2.0 ppmv