Trimethylborane

Trimethylborane
Names
Preferred IUPAC name
Trimethylborane[1]
Other names
Trimethylborine
Trimethylboron
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.926 Edit this at Wikidata
EC Number
  • 209-816-3
  • InChI=1S/C3H9B/c1-4(2)3/h1-3H3 checkY
    Key: WXRGABKACDFXMG-UHFFFAOYSA-N checkY
  • CB(C)C
Properties
C3H9B
Molar mass 55.92 g/mol
Appearance Colorless gas or liquid
Density 0.625 g/cm3 at −100 °C[3]
Melting point −161.5 °C (−258.7 °F; 111.6 K)
Boiling point −20.2 °C (−4.4 °F; 253.0 K)
Slight, highly reactive
Structure
Δ
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Spontaneously flammable in air; causes burns
GHS labelling:
GHS02: Flammable GHS05: Corrosive
Danger
H220, H250, H280, H314
P210, P222, P260, P264, P301+P330+P331, P302+P334, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P377, P381, P403, P405, P410+P403, P422, P501
Flash point Not applicable, pyrophoric gas
−40 °C (−40 °F; 233 K)[4]
Safety data sheet (SDS) MSDS from Voltaix
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Trimethylborane (TMB) is a toxic, pyrophoric gas with the formula B(CH3)3 (which can also be written as Me3B, with Me representing methyl).

  1. ^ Cite error: The named reference iupac2013 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference LBData was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference MSDS was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference cd was invoked but never defined (see the help page).