1.05043

Potassium iodide

for analysis EMSURE^® ISO,Reag. Ph Eur

• Linear Formula: KI
• CAS Number: 7681-11-0
• Molecular Weight: 166.00
• MDL number: MFCD00011405
• EC Index Number: 231-659-4

Properties

• Agency: reag. ISO; reag. Ph. Eur.
• Quality Level: 300
• vapor pressure: 1 mmHg ( 745 °C)
• product line: EMSURE^®
• assay: ≥99.5% (silver nitrate titration); 99.5-100.5% dry basis (silver nitrate titration)
• form: solid
• potency: 2779 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.001% Total nitrogen (N)
• loss: ≤0.1% loss on drying, 105 °C
• 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
• anion traces: chloride, bromide (as Cl)^-: ≤0.01%; iodate (IO₃^-): ≤0.0003%; phosphate (PO₄^3-): ≤0.001%; sulfate (SO₄^2-): ≤0.001%; thiosulfate (S₂O₃^2-): passes test
• cation traces: As: ≤0.00001%; Ba: ≤0.002%; Ca: ≤0.001%; Cu: ≤0.0002%; Fe: ≤0.0002%; Mg: ≤0.001%; N: ≤0.001%; Na: ≤0.03%; Pb: ≤0.0002%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• SMILES string: [K+].[I-]
• InChI: 1S/HI.K/h1H;/q;+1/p-1
• InChI key: NLKNQRATVPKPDG-UHFFFAOYSA-M

Description

Packaging

250 , 250 , 500 g in Plastic bottle

1 , 2.5 kg in Plastic bottle

50 kg in Fibre carton

Analysis Note

Assay (argentometric): ≥ 99.5 %
Assay (argentometric; calculated on dried substance): 99.5 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Alkaline impurities: passes test
pH-value (5 %; water): 6 - 8
Chloride and Bromide (as Cl): ≤ 0.01 %
Iodate (IO₃): ≤ 0.0003 %
Phosphate (PO₄): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.001 %
Thiosulfate (S₂O₃): passes test
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.00001 %
Ba (Barium): ≤ 0.002 %
Ca (Calcium): ≤ 0.001 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.03 %
Pb (Lead): ≤ 0.0002 %
Reducing substances: passes test
Loss on Drying (105 °C): ≤ 0.1 %

Legal Information

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

Safety Information

• Pictograms: GHS08
• Signal Word: Danger
• Hazard Statements: H372
• Precautionary Statements: P260 - P264 - P270 - P314 - P501
• Hazard Classifications: STOT RE 1 Oral
• Target Organs: Thyroid
• Storage Class Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable