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02110 Sigma-Aldrich

Potassium bromide

puriss., meets analytical specification of Ph. Eur., BP, USP, 99.5-100.5%

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Chemical Synthesis, Essential Chemicals,
vapor pressure   <0.01 mmHg ( 20 °C)
  1 mmHg ( 795 °C)
InChI Key   IOLCXVTUBQKXJR-UHFFFAOYSA-M
grade   puriss.
assay   99.5-100.5%
quality   meets analytical specification of Ph. Eur., BP, USP
impurities   acidity or alkalinity, complies
  residual solvents, complies
  ≤0.0005% ammonium (NH4)
  ≤0.001% heavy metals (as Pb)
  ≤0.02% Mg, alkaline earth metals (as Ca)
loss   ≤0.3% loss on drying, 130 °C
pH   5-8 (20 °C, 5%)
mp   734 °C (lit.)
anion traces   bromate (BrO3-): ≤10 mg/kg
  chloride (Cl-): ≤2000 mg/kg
  iodide (I-): ≤200 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   As: ≤3 mg/kg
  Ba: ≤10 mg/kg
  Ca: ≤50 mg/kg
  Fe: ≤10 mg/kg
  Mg: ≤20 mg/kg
  Na: ≤1500 mg/kg
suitability   complies for appearance of solution

Description

General description

Potassium bromide (KBr) is an alkaline-earth halide. Density, viscosity and electrolytic conductivity of concentrated aqueous solutions of alkaline-earth halides have been evaluated.

Application

Potassium bromide may be employed in the following studies:
• Spectrophotometric determination of aromatic amino compounds.
• Preparation of AgBr nanoparticles (NPs).
• In combination with cerium(iv) ammonium nitrate (CAN), has been employed for the bromination of alkenes.
• As oxidant for the selective monobromination of various deactivated anilines.

May be used for removal of peripheral membrane proteins.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
TS7650000

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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