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1.04904 Supelco

Potassium bromide

99.999 Suprapur®

Synonym: Hydrobromic Acid Potassium Salt, Potassium bromide

  • CAS Number 7758-02-3

  • Empirical Formula (Hill Notation) BrK

  • Molecular Weight 119.00

  •  MDL number MFCD00011358

  •  EC Index Number 231-830-3

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, High Purity Reagents for Trace Analysis, High Purity Salts for Trace Analysis, Reagents for Inorganic Trace Analysis,
Quality Level   100
grade   for inorganic trace analysis
vapor pressure   1.3 hPa ( 795 °C)
assay   99.999%
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
InChI   1S/BrH.K/h1H;/q;+1/p-1
InChI key   IOLCXVTUBQKXJR-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

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

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