1.05044

Potassium iodide

99.995 Suprapur^®

• Linear Formula: KI
• CAS Number: 7681-11-0
• Molecular Weight: 166.00
• NACRES: NB.21
• EC Index Number: 231-659-4
• UNSPSC Code: 12352302
• MDL number: MFCD00011405
• Assay: 99.995%
• Form: solid
• Solubility: 1430 g/L

Properties

• vapor pressure: 1 mmHg ( 745 °C)
• Quality Level: 100
• description: for inorganic trace analysis
• assay: 99.995%
• form: solid
• 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
• storage temp.: 2-30°C
• InChI: 1S/HI.K/h1H;/q;+1/p-1
• InChI key: NLKNQRATVPKPDG-UHFFFAOYSA-M

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 Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H372
• pcodes: P260 - P264 - P270 - P314 - P501
• Hazard Classifications: STOT RE 1 Oral
• target_organs: Thyroid
• Storage Class: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• wgk: WGK 3