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
• EC Index Number: 231-830-3

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

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
• Signal Word: Warning
• Hazard Statements: H319
• Precautionary Statements: P264 - P280 - P305 + P351 + P338 - P337 + P313
• 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