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702714

Sigma-Aldrich

Lithium borohydride solution

0.5 M in diethyl ether

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About This Item

Linear Formula:
LiBH4
CAS Number:
16949-15-8
Molecular Weight:
21.78
MDL number:
MFCD00011088
UNSPSC Code:
26111700
PubChem Substance ID:
329762397
NACRES:
NA.22

form

liquid

Quality Level

100

reaction suitability

reagent type: reductant

concentration

0.5 M in diethyl ether

density

0.719 g/mL at 25 °C

SMILES string

[Li+].[H][B-]([H])([H])[H]

InChI

1S/BH4.Li/h1H4;/q-1;+1

InChI key

UUKMSDRCXNLYOO-UHFFFAOYSA-N

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Application

Lithium borohydride is a commonly used reducing agent. It can also be used a reactant for:
  • Preparation of gallium, indium, rhenium and zinc tris(mercaptoimidazolyl)hydroborato complexes.
  • Mechano-chemical metathesis reactions.
  • Noncatalytic hydrolysis for hydrogen generation.
  • Growth of large gold monolayer protected-clusters.
  • Anion substitution reactions.
  • Dehydrogenation reactions.

Reactant for:
  • Preparation of gallium, indium, rhenium and zinc tris(mercaptoimidazolyl)hydroborato complexes
  • Mechano-chemical metathesis reactions
  • Noncatalytic hydrolysis for hydrogen generation
  • Growth of large gold monolayer protected-clusters
  • Anion substitution reactions
  • Dehydrogenation reactions

Other Notes

Material may form precipitate on standing, which does not affect its use.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

EUH019

Storage Class Code

4.3 - Hazardous materials, which set free flammable gases upon contact with water

WGK

WGK 1

Flash Point(F)

-40.0 °F

Flash Point(C)

-40 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Hydrogen generation from noncatalytic hydrolysis of LiBH4/NH3BH3 mixture for fuel cell applications.
Weng B, et al.
International Journal of Hydrogen Energy, 36(17), 10870-10876 (2011)
Mechano-chemical reactions in LiBH4+ VCln (n= 2 and 3) mixtures.
Llamas-Jansa I, et al.
J. Alloy Compounds, 509, S684-S687 (2011)
Synthesis and structural characterization of tris (2-mercapto-1-adamantylimidazolyl) hydroborato complexes: A sterically demanding tripodal [S3] donor ligand.
Yurkerwich K, et al.
Inorganic Chemistry, 50(24), 12284-12295 (2011)
Lithium Borohydride.
e-EROS Encyclopedia of Reagents for Organic Synthesis (2009)
Synthesis, crystal structure, and thermal properties of the first mixed-metal and anion-substituted rare earth borohydride LiCe (BH4) 3Cl.
Frommen c, et al.
The Journal of Physical Chemistry, 115(47), 23591-23602 (2011)
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