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Phosphine

Phosphine is a colorless, flammable, toxic gas.

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Phosphine

Formula: PH3

Applications

Specifications

Further Specifications

Cylinder Sizes

  • Mainly consumed as an intermediate in organophosphorus chemistry
  • Small amounts are used as a dopant in the semiconductor industry
Grade 5.7 Grade 5.8 Grade 6
Purity 99.9997% 99.9998% 99.9999%
Nitrogen < 1 ppmv < 1 ppmv < 100 ppbv
Oxygen < 0.1 ppmv < 0.1 ppmv < 100 ppbv
Carbon Dioxide < 0.1 ppmv < 0.1 ppmv < 100 ppbv
Carbon Monoxide < 0.1 ppmv < 0.1 ppmv < 50 ppbv
Methane < 0.1 ppmv < 0.1 ppmv < 100 ppbv
Water < 1 ppmv < 0.5ppmv < 100 ppbv
Argon < 100 ppbv
Arsine < 0.1 ppmv < 50 ppbv
Germane < 50 ppbv
Hydrogen Sulfide < 50 ppbv
Silane < 50 ppbv
Chemical & Physical Properties
Molecular Weight 33.99
Specific Volume 11.4 cu.ft/lb
Pressure @ 70° F 594 psig
Valve Outlet CGA 350 DISS 632
Shipping Information
DOT Name Phosphine
Hazard Class 2.3
DOT No. UN 2199
DOT Label Poison Gas, Flammable Gas
CAS No. 7803-51-2
Cylinder Size Fill Weight (lbs)
44L/Size 200 40
265 AL 40

**Moisture level guaranteed only when Electronic Fluorocarbons prepares the cylinders.
All concentrations are on a mol/mol basis unless otherwise stated.
Product sold on the basis of total impurities. Individual impurities may vary slightly.

*This gas not available for purchase online.