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62460

Sigma-Aldrich

Lithium borohydride

≥95.0%

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Synonym(s):
Lithium boron hydride, Lithium hydroborate
Linear Formula:
LiBH4
CAS Number:
Molecular Weight:
21.78
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Assay

≥95.0%

form

solid

reaction suitability

reagent type: reductant

mp

275 °C (dec.)

density

0.666 g/mL at 25 °C (lit.)

SMILES string

[Li+].[BH4-]

InChI

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

InChI key

UUKMSDRCXNLYOO-UHFFFAOYSA-N

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This Item
23020062420LX0350
Lithium borohydride ≥95.0%

Sigma-Aldrich

62460

Lithium borohydride

form

solid

form

liquid

form

solid

form

crystals

reaction suitability

reagent type: reductant

reaction suitability

reagent type: reductant

reaction suitability

reagent type: reductant

reaction suitability

-

mp

275 °C (dec.)

mp

-

mp

125 °C (dec.) (lit.)

mp

424 °C

density

0.666 g/mL at 25 °C (lit.)

density

0.896 g/mL at 25 °C

density

-

density

-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

Application

Lithium borohydride is a general reducing agent commonly used to reduce aldehydes, ketones esters, lactones, and epoxides. It catalyzes hydroboration of alkenes. It is also used in the preparation of other borohydrides such as aluminum borohydride.

Other Notes

Review; Smooth reduction of esters; Reduction of acids and other functional groups with LiBH4/Me3SiCl

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B - Water-react 1

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Customers Also Viewed

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Lithium Borohydride.
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2001)
H.C. Brown et al.
The Journal of Organic Chemistry, 47, 4702-4702 (1982)
Mixed solvents containing methanol as useful reaction media for unique chemoselective reductions within lithium borohydride.
Soai, Kenso and Ookawa, Atsuhiro
The Journal of Organic Chemistry, 51(21), 4000-4005 (1986)
Lithium borohydride-catalyzed selective reduction of the carbonyl group of conjugated and unconjugated alkenones with borane in tetrahydrofuran.
Arase, Akira et al.
Journal of the Chemical Society. Chemical Communications, 51(7), 855-856 (1994)
A. Giannis et al.
Angewandte Chemie (International Edition in English), 101, 220-220 (1989)

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