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Diborane is a colorless, flammable, toxic gas.

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Formula: B2H6

Diborane is a colorless, flammable, toxic gas.



Further Specifications

Cylinder Sizes

  • Used as a catalyst for ethylenic, styrene, acrylic, and vinyl polymerization
  • A reducing agent
  • Flamespeed accelerator
  • Intermediate for preparation of boron hydrides of higher molecular weight
Grade 4
Purity 99.99%
Oxygen <1 ppmv
Nitrogen < 10 ppmv
Carbon Dioxide <5 ppmv
Methane < 5 ppmv
Hydrogen < 500 ppmv
Boron Trifluoride < 50 ppmv
B5H9 < 10 ppmv
B4H10 < 180 ppmv
B5H11 < 10 ppmv
Chemical & Physical Properties
Molecular Weight 27.68
Specific Volume 5 cu.ft/lb
Valve Outlet CGA 350 DISS 632
Shipping Information
DOT Name Diborane, Compressed
Hazard Class 2.3
DOT No. UN 1911
DOT Label Inhalation Hazard/ Flammable Gas
CAS No. 19287-45-7
Cylinder Size Fill Volume
Size 200 43.8
Size 35 7.3

**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.