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Formula: H2S

Hydrogen Sulfide is a flammable, highly toxic, poisonous gas. It is shipped as a liquefied gas.


Applications of hydrogen sulfide include the following:

  • Used in metallurgy for the preparation of metallic sulfides
  • Used in the preparation of phosphors, oil additives, and as an analytical reagent in chemical analysis
  • It’s also used in metals separation, removal of metallic impurities, and preparation of metallic sulfides in analytical laboratories
  • For the reaction with numerous functional organic compounds



Grade 2.5
Purity 99.5%
Carbon Dioxide  < 500 ppmv
Carbon Disulfide  < 1000 ppmv
Carbon Sulfide  < 1000 ppmv
Nitrogen  < 100 ppmv
Methane+Ethane  < 500 ppmv
Water  < 1000 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 34.08
Specific Volume 11.35 cu.ft/lb
Pressure @ 70° F 259.9 psig
Valve Outlet CGA 330
DISS 722


Shipping Information
DOT Name Hydrogen Sulfide
Hazard Class 2.1, 2.3
DOT No. UN 2202
DOT Label Poison Gas and Flammable Gas
CAS No. 7783-06-4



Cylinder Size Fill Weight (lbs)
44L/Size 200 60
16L/Size 80 22