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222356

Sigma-Aldrich

Lithium borohydride

greener alternative

≥90%

Synonyma:

Lithium boron hydride, Lithium hydroborate

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About This Item

Lineární vzorec:
LiBH4
Číslo CAS:
16949-15-8
Molekulová hmotnost:
21.78
EC Number:
241-021-7
MDL number:
MFCD00011088
UNSPSC Code:
26111700
PubChem Substance ID:
24853325
NACRES:
NA.22

Quality Level

100

assay

≥90%

form

solid

reaction suitability

reagent type: reductant

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

275 °C (dec.)

density

0.666 g/mL at 25 °C (lit.)

greener alternative category

Enabling,

SMILES string

[Li+].[BH4-]

InChI

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

InChI key

UUKMSDRCXNLYOO-UHFFFAOYSA-N

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General description

Lithium borohydride, a white solid, may be prepared from the exchange reaction of LiCl and sodium borohydride in isopropylamine. The orthorhombic crystal structure converts to tetragonal at 108oC and eventually melting at 278oC. Infrared and Raman spectral studies at 80oC have been reported in a study.
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Application

Versatile reducing agent for aldehydes, ketones, acid chlorides, lactones, epoxides, and esters. Applied in the lithiation of 2H-WS2 giving high yields of exfoliated WS2, and opening the way to new intercalation compounds and nanocomposites. Lithium borohydride is used as hydrogen storage system. It regenerates hydrogen at 320-380oC at 10atm (H2 pressure).

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Danger

Hazard Classifications

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

Storage Class

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

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Osvědčení o analýze (COA)

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Fieser, M.
Reagents for Organic Synthesis, 14, 191-191 (1989)
Tsai, H-L. et al.
Chemistry of Materials, 9, 879-879 (1997)
Mita Dasog et al.
Chemical communications (Cambridge, England), 47(30), 8569-8571 (2011-06-28)
In the presence of large excesses of borohydride salts, gold monolayer protected-clusters can be grown to larger sizes simply by controlling the amount of reducing agent added to smaller clusters. In addition, gold monolayer clusters can be used as catalysts
Low temperature infrared and raman spectra of lithium borohydride.
Harvey KB and McQuaker NR
Canadian Journal of Chemistry, 49(21), 3282-3286 (1971)
Prabhat Arya et al.
Journal of combinatorial chemistry, 6(1), 54-64 (2004-01-13)
A diversity-oriented solution and solid-phase synthesis of tetrahydroquinoline-based tricyclic derivatives has been achieved from enantiomerically pure, natural product-like bicyclic scaffold. The solution synthesis of enantiopure bicyclic scaffold was developed by asymmetric hetero Michael reaction. Our approach for the synthesis of
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