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1.05044 Supelco

Potassium iodide

99.995 Suprapur®

  • CAS Number 7681-11-0

  • Linear Formula KI

  • Molecular Weight 166.00

  •  MDL number MFCD00011405

  •  EC Index Number 231-659-4

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Properties

Quality Level   100
grade   for inorganic trace analysis
vapor pressure   1 mmHg ( 745 °C)
assay   99.995%
potency   2779 mg/kg LD50, oral (Rat)
pH   6.9 (20 °C, 50 g/L in H2O)
bp   1325 °C/1013 hPa
mp   681 °C (lit.)
solubility   1430 g/L
bulk density   1500 kg/m3
SMILES string   [K+].[I-]
InChI   1S/HI.K/h1H;/q;+1/p-1
InChI key   NLKNQRATVPKPDG-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Purity (metallic): ≥ 99.995 %
Assay (argentometric): ≥ 99.5 %
Chloride and Bromide (as Cl): ≤ 100 ppm
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 10 ppm
Total nitrogen (N): ≤ 10.0 ppm
Al (Aluminium): ≤ 0.010 ppm
Ba (Barium): ≤ 5.0 ppm
Ca (Calcium): ≤ 0.05 ppm
Cd (Cadmium): ≤ 0.010 ppm
Ce (Cerium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.010 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.050 ppm
La (Lanthanum): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.05 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 5 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.010 ppm
Sc (Scandium): ≤ 0.010 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.10 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.010 ppm

Legal Information

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

Safety & Documentation

Safety Information

Protocols & Articles

Articles

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