Sodium Triethylborohydride

From Handwiki

Sodium triethylborohydride
Identifiers
CAS Number
  • 17979-81-6
3D model (JSmol)
  • Interactive image
ChemSpider
  • 2006279
EC Number
  • 241-903-1
PubChem CID
  • 23667700
Properties
Chemical formula
C6H16BNa
Molar mass 121.99
Appearance white solid
Melting point 30 °C
Hazards
Main hazards pyrophoric
GHS pictograms GHS02: FlammableGHS05: Corrosive
GHS Signal word Danger
GHS hazard statements
H261, H314
GHS precautionary statements
P231+232, P260, P264, P280, P301+330+331, P303+361+353, P304+340, P305+351+338, P310, P321, P363, P370+378, P402+404, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Sodium triethylborohydride is an organoboron compound with the formula NaBH(C2H5)3. It is a colorless, pyrophoric solid that is commercially available in toluene solution, unlike the related LiBH(C2H5)3 which is typically sold as a THF solution.[1] It is commonly used for the reductive activation of homogeneous catalysts, converting metal halides to hydrides. Sodium triethylborohydride has been prepared by treating a hot toluene slurry of sodium hydride with triethylborane.[2] The trimethylborohydride analogue, which is assumed to be structurally similar to the triethylborohydride, adopts a tetrameric structure in toluene solution.[3]

References

  1. "Callery Borane Products | Callery.com | Callery" (in en-us). 2017-03-05. http://www.callery.com/products/boranes. 
  2. Binger, P.; Köster, R., "Sodium triethylhydroborate, sodium tetraethylborate, and sodium triethyl-1-propynylborate", Inorg. Synth. 1974, 15, 136-141. doi:10.1002/9780470132463.ch31
  3. Bell, N. A.; Coates, G. E.; Heslop, J. A., "Sodium hydridotrimethylboronate and its ether solvate. Study of hydridotrialkylboronates as reagents for the preparation of beryllium hydrides", J. Organomet. Chem. 1987, volume 329, 287-291. doi:10.1016/0022-328X(87)80062-1.



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Categories: [Sodium compounds] [Organoboranes] [Reducing agents]


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