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Merck
CN

62463

Lithium bromide

purum p.a., ≥98.0% (dried material, AT), powder, crystals or chunks

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About This Item

Linear Formula:
LiBr
CAS Number:
7550-35-8
Molecular Weight:
86.85
UNSPSC Code:
12352302
PubChem Substance ID:
329759728
EC Number:
231-439-8
MDL number:
MFCD00011077
Assay:
≥98.0% (dried material, AT)
Form:
powder, crystals or chunks

Key Documents

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grade

purum p.a.

assay

≥98.0% (dried material, AT)

form

powder, crystals or chunks

loss

≤2% loss on drying, 400 °C

mp

550 °C (lit.)

anion traces

sulfate (SO42-): ≤200 mg/kg

cation traces

Ca: ≤100 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Na: ≤500 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

SMILES string

[Li+].[Br-]

InChI

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

InChI key

AMXOYNBUYSYVKV-UHFFFAOYSA-M

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General description

Lithium bromide (LiBr) is a lithium salt. LiBr/Chlorotrimethylsilane reagent has been employed for the transformations of alcohols to bromides. LiBr/Ceric ammonium nitrate (CAN) reagent system has been used for the chemo- and regioselective bromination of aromatic compounds.

Application

Lithium bromide (LiBr) may be employed as a catalyst in the following studies:
  • Solvent-free dithioacetalization of (aromatic- and α,β-unsaturated) aldehydes.
  • Synthesis of olefins, via condensation reaction of carbonyl compounds with active methylene compounds.
  • Synthesis of β-amino alcohols, via ring opening reaction of epoxides with amines.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

No data available

flash_point_c

No data available

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB3812

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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)
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)
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)
Chlorotrimethylsilane/lithium bromide and hexamethyldisilane/pyridinium bromide perbromide: effective and selective reagents for the conversion of alkyl (cycloalkyl and aralkyl) alcohols into bromides.
Olah GA, et al.
The Journal of Organic Chemistry, 45(9), 1638-1639 (1980)
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