Triethylborane

Not to be confused with triethyl borate.
Triethylborane
Triethylborane
Triethylborane
Ball-and-stick model of triethylborane
Ball-and-stick model of triethylborane
Names
Preferred IUPAC name
Triethylborane
Other names
Triethylborine, triethylboron
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.002.383 Edit this at Wikidata
EC Number
  • 202-620-9
UNII
  • InChI=1S/C6H15B/c1-4-7(5-2)6-3/h4-6H2,1-3H3 checkY
    Key: LALRXNPLTWZJIJ-UHFFFAOYSA-N checkY
  • InChI=1/C6H15B/c1-4-7(5-2)6-3/h4-6H2,1-3H3
    Key: LALRXNPLTWZJIJ-UHFFFAOYAU
  • B(CC)(CC)CC
Properties
(CH3CH2)3B
Molar mass 98.00 g/mol
Appearance Colorless liquid
Density 0.677 g/cm3
Melting point −93 °C (−135 °F; 180 K)
Boiling point 95 °C (203 °F; 368 K)
Not applicable; highly reactive
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Spontaneously flammable in air; causes burns
GHS labelling:
GHS02: FlammableGHS05: CorrosiveGHS06: ToxicGHS08: Health hazard
Danger
H225, H250, H301, H314, H330, H360
P201, P202, P210, P222, P233, P240, P241, P242, P243, P260, P264, P270, P271, P280, P281, P284, P301+P310, P301+P330+P331, P302+P334, P303+P361+P353, P304+P340, P305+P351+P338, P308+P313, P310, P320, P321, P330, P363, P370+P378, P403+P233, P403+P235, P405, P422, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 4: Readily capable of detonation or explosive decomposition at normal temperatures and pressures. E.g. nitroglycerinSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
3
4
4
W
Flash point < −20 °C (−4 °F; 253 K)
−20 °C (−4 °F; 253 K)
Safety data sheet (SDS) External SDS
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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Triethylborane (TEB), also called triethylboron, is an organoborane (a compound with a B–C bond). It is a colorless pyrophoric liquid. Its chemical formula is (CH3CH2)3B or (C2H5)3B, abbreviated Et3B. It is soluble in organic solvents tetrahydrofuran and hexane.