Purity Gas - Argon - Airgas.com

Pure Gases
Argon (AR)


Scientific Grade (Grade 6) is used as an atmosphere for manufacturing semiconductors. UHP or Ultra Carrier Grades are used as carrier gases in gas chromatography, as a fill gas for certain specialized lamps and as an atmosphere for growing silicon or germanium crystals. UHP is used in graphite furnace Atomic Absorption. Other grades are used as a shielding gas for welding or in the production of reactive metals. 


  Molecular Weight: 39.95
  Specific Volume: 9.7 CF/lb
  Flammable Limits: Nonflammable
  CGA Valve: 580, 3HP-677, 2HP-680
  DOT Name:
Argon, Compressed
  UN No.: UN1006
  DOT Class: 2.2
  DOT Label: Nonflammable Gas
  CAS Registry: 7440-37-1