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243418

Sigma-Aldrich

Potassium bromide

greener alternative

ACS reagent, ≥99.0%

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About This Item

Linear Formula:
KBr
CAS Number:
7758-02-3
Molecular Weight:
119.00
EC Number:
231-830-3
MDL number:
MFCD00011358
UNSPSC Code:
12352302
eCl@ss:
38050405
PubChem Substance ID:
329752456
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

vapor pressure

<0.01 mmHg ( 20 °C)
1 mmHg ( 795 °C)

Assay

≥99.0%

form

crystalline powder
crystalline solid
crystals or chunks

greener alternative product characteristics

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

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impurities

≤0.005% insolubles

pH

5.0-8.8 (25 °C, 5%)

mp

734 °C (lit.)

anion traces

bromate (BrO3-): ≤0.001%
chloride (Cl-): ≤0.2%
iodate (IO3-): ≤0.001%
iodide (I-): ≤0.001%
sulfate (SO42-): ≤0.005%

cation traces

Ba: ≤0.002%
Ca: ≤0.002%
Fe: ≤5 ppm
Mg: ≤0.001%
Na: ≤0.02%
heavy metals: ≤5 ppm (by ICP)

greener alternative category

Aligned

SMILES string

[K+].[Br-]

InChI

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

InChI key

IOLCXVTUBQKXJR-UHFFFAOYSA-M

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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 catalysis. Click here for more information.

Application

Used as bromine source in greener bromination of 1,3-dicarbonyl compounds.

Mild, Efficient, and Greener Dethioacetalization Protocol Using 30% Hydrogen Peroxide in Catalytic Combination with Ammonium Iodide
May be used for removal of peripheral membrane proteins.

Other Notes

Go to Redi-Dri™ Product Listing 746444

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Potassium bromide

Mild and regioselective oxidative bromination of anilines using potassium bromide and sodium perborate.
Roche D, et al.
Tetrahedron Letters, 41(33), 2083-2085 (2000)
An efficient bromination of alkenes using cerium (IV) ammonium nitrate (CAN) and potassium bromide.
Nair V, et al.
Tetrahedron, 57(34), 7417-7422 (2001)
Jacek Zielonka et al.
Free radical biology & medicine, 46(3), 329-338 (2008-11-26)
Methods for the detection and quantitation of hydroethidine (HE) and its oxidation products by HPLC analysis are described. Synthetic methods for preparation of authentic standards (2-hydroxyethidium and diethidium) are provided. Potential applications of the HPLC methods to chemical and biological
Petr Suchomel et al.
PloS one, 10(3), e0119202-e0119202 (2015-03-18)
The diverse mechanism of antimicrobial activity of Ag and AgBr nanoparticles against gram-positive and gram-negative bacteria and also against several strains of candida was explored in this study. The AgBr nanoparticles (NPs) were prepared by simple precipitation of silver nitrate
Density, viscosity, and electrolytic conductivity of concentrated aqueous electrolyte solutions at several temperatures. Alkaline-earth chlorides, lanthanum chloride, sodium chloride, sodium nitrate, sodium bromide, potassium nitrate, potassium bromide, and cadmium nitrate.
Isono T.
Journal of Chemical and Engineering Data, 29(1), 45-52 (1984)
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