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222356

Lithium borohydride

greener alternative

≥90%

Synonym(s):

Lithium boron hydride, Lithium hydroborate

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About This Item

Linear Formula:
LiBH4
CAS Number:
16949-15-8
Molecular Weight:
21.78
NACRES:
NA.22
PubChem Substance ID:
24853325
EC Number:
241-021-7
MDL number:
MFCD00011088
UNSPSC Code:
12352306
Assay:
≥90%
Form:
solid
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Quality Segment

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

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.
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.

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

Storage Class

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

ppe

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

supp_hazards

EUH014

Hazard Classifications

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class I Designated Chemical Substances

prtr

Group 3: Spontaneously combustible substances and water- reactive materials + Metal hydrides + Hazardous rank I + 1st spontaneously combustible materials and water reactive materials

fsl

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