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P0838

Sigma-Aldrich

Potassium bromide

BioXtra, ≥99.0%

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Synonym(s):
Bromide salt of potassium, KBr
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:
24898131
NACRES:
NA.21

vapor pressure

<0.01 mmHg ( 20 °C)
1 mmHg ( 795 °C)

Quality Level

200

product line

BioXtra

Assay

≥99.0%

form

powder

impurities

≤0.0005% Phosphorus (P)
≤0.005% Insoluble matter

mp

734 °C (lit.)

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.2%
sulfate (SO42-): ≤0.005%

cation traces

Al: ≤0.0005%
Ba: ≤0.002%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.15%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

[K+].[Br-]

InChI

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

InChI key

IOLCXVTUBQKXJR-UHFFFAOYSA-M

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Application

Potassium bromide has been used in the sample preparation for fourier transform infrared spectroscopy (FT-IR). It has also been used as a supplement in Wilbrink Selective Davis (WSD) medium.
May be used for removal of peripheral membrane proteins.

Biochem/physiol Actions

Potassium bromide (KBr) is used as an anticonvulsant and sedative. KBr is used for optical windows and prisms. KBr is transparent in the wide wavelength range from near ultraviolet to long wave infrared. It is employed in the sample preparation for infrared transmission spectra.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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