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Sigma-Aldrich

Lithium bromide

ReagentPlus®, ≥99%

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About This Item

Linear Formula:
LiBr
CAS Number:
Molecular Weight:
86.85
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21

vapor pressure

1 hPa ( 748 °C)

Quality Level

product line

ReagentPlus®

assay

≥99%

form

powder

pH

7 (20 °C, 10 g/L)

mp

550 °C (lit.)

SMILES string

[Li+].[Br-]

InChI

1S/BrH.Li/h1H;/q;+1/p-1

InChI key

AMXOYNBUYSYVKV-UHFFFAOYSA-M

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General description

LiBr/Chlorotrimethylsilane reagent participates in the conversion of alcohols to bromides.

Application

Lithium bromide (LiBr) may be employed as a catalyst in the following studies:
  • Transformation of (aromatic- and α,β-unsaturated) aldehydes to dithioacetals via solvent-free dithioacetalization.
  • Synthesis of olefins via condensation reaction of carbonyl compounds with active methylene compounds.
  • Green synthesis of β-amino alcohols.
  • Chemo- and regioselective bromination of aromatic compounds was carried out by employing LiBr/ceric ammonium nitrate (CAN) reagent system (as a source of Br+ ion).

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Lithium bromide-catalyzed highly chemoselective and efficient dithioacetalization of α,β-unsaturated and aromatic aldehydes under solvent-free conditions.
Firouzabadi H, et al.
Synthesis, 58-60 (1999)
Lithium bromide as a new catalyst for carbon-carbon bond formation in the solid state.
Prajapati D, et al.
Journal of the Chemical Society. Perkin Transactions 1, 9, 959-960 (1996)
An efficient chemo and regioselective oxidative nuclear bromination of activated aromatic compounds using lithium bromide and ceric ammonium nitrate.
Roy SC, et al.
Tetrahedron Letters, 42(39), 6941-6942 (2001)
Lithium Bromide, an Inexpensive and Efficient Catalyst for Opening of Epoxide Rings by Amines at Room Temperature under Solvent-Free Condition.
Chakraborti AK, et al.
European Journal of Organic Chemistry, 2004(17), 3597-3600 (2004)
Eoghan M Cunnane et al.
ACS applied materials & interfaces, 12(24), 26955-26965 (2020-05-23)
Vascular tissue engineering is aimed at developing regenerative vascular grafts to restore tissue function by bypassing or replacing defective arterial segments with tubular biodegradable scaffolds. Scaffolds are often combined with stem or progenitor cells to prevent acute thrombosis and initiate

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