1.04904

Potassium bromide

99.999 Suprapur^®

• Synonym(s): Potassium bromide, Hydrobromic Acid Potassium Salt
• Empirical Formula (Hill Notation): BrK
• CAS Number: 7758-02-3
• Molecular Weight: 119.00
• MDL number: MFCD00011358
• UNSPSC Code: 12352302
• EC Index Number: 231-830-3
• NACRES: NB.21

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• vapor pressure: 1.3 hPa ( 795 °C)
• assay: 99.999%
• form: solid
• potency: >2000 mg/kg LD₅₀, oral (Rat)
• pH: 5.5-8.5 (20 °C, 50 g/L in H₂O)
• bp: 1435 °C/1013 hPa
• mp: 730 °C
• solubility: 650 g/L
• density: 2.75 g/cm³ at 20 °C
• bulk density: 900‑1000 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/BrH.K/h1H;/q;+1/p-1
• InChI key: IOLCXVTUBQKXJR-UHFFFAOYSA-M

Description

Application

• Development of a new continuous homogeneous liquid phase microextraction procedure based on in-situ preparation of deep eutectic solvent: This research introduces a novel method for the analysis of aliphatic amines in urine samples, which may include potassium bromide as a part of the matrix or reagents used in the GC-MS process, demonstrating its versatility in biochemical sampling and testing (Shagaghipour S et al., 2024).


• Classification of asbestos and their nonasbestiform analogues using FTIR and multivariate data analysis: This study utilizes FTIR spectroscopy, potentially involving potassium bromide in IR spectroscopic applications, to classify hazardous materials, illustrating the compound′s critical role in environmental safety and industrial materials analysis (Lee T et al., 2024).


• A toolbox for easy entry low wavenumber in situ atomic layer deposition transmission FTIR spectroscopy studies: Demonstrates the use of potassium bromide in the enhancement of FTIR spectroscopy, particularly beneficial for the material science field, providing a critical tool for in-depth material analysis (Bin Afif A et al., 2022).


• Halogen ion-modified silver nanoparticles for ultrasensitive surface-enhanced Raman spectroscopy detection of polycyclic aromatic hydrocarbons: Explores the use of potassium bromide in modifying nanoparticles for enhanced Raman spectroscopy, underlining its significant contributions to chemical sensing and environmental monitoring (Wang D et al., 2022).

Analysis Note

Purity (metallic): ≥ 99.999 %
Assay (argentometric): ≥ 99.5 %
Bromate (BrO₃): ≤ 10 ppm
Chloride (Cl): ≤ 500 ppm
Iodide (I): ≤ 200 ppm
Sulfate (SO₄): ≤ 10 ppm
Total nitrogen (N): ≤ 2 ppm
Al (Aluminium): ≤ 0.02 ppm
Ba (Barium): ≤ 0.5 ppm
Ca (Calcium): ≤ 0.10 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.005 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.005 ppm
Cu (Copper): ≤ 0.005 ppm
Fe (Iron): ≤ 0.010 ppm
La (Lanthanum): ≤ 0.005 ppm
Li (Lithium): ≤ 0.5 ppm
Mg (Magnesium): ≤ 0.05 ppm
Mn (Manganese): ≤ 0.005 ppm
Na (Sodium): ≤ 5.0 ppm
Ni (Nickel): ≤ 0.005 ppm
Pb (Lead): ≤ 0.005 ppm
Sc (Scandium): ≤ 0.005 ppm
Sm (Samarium): ≤ 0.005 ppm
Sr (Strontium): ≤ 0.05 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.005 ppm
Zn (Zinc): ≤ 0.010 ppm

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable