Merck
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1.05043

Supelco

Potassium iodide

for analysis EMSURE® ISO,Reag. Ph Eur

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Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
MDL number:
EC Index Number:
231-659-4

Agency

reag. ISO
reag. Ph. Eur.

Quality Level

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 (PO43-): ≤0.001%
sulfate (SO42-): ≤0.001%
thiosulfate (S2O32-): 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

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Related Categories

Application

  • Influence of silver fluoride plus potassium iodine on adhesive properties of primary carious dentin-resin interface: An in vitro study.: This study examines how potassium iodide, in combination with silver fluoride, impacts the bonding properties of dental resin to carious dentin, highlighting its potential in dental treatments (da Luz et al., 2024).
  • Comparisons of ammonia- and water-based silver-containing solutions on dentin bonding and enzymatic activity: 1-yr evaluation.: The research investigates the effects of potassium iodide in silver-containing solutions on dentin bonding and enzyme activity, providing insights into dental material performance over time (D′ Alessandro et al., 2024).
  • Multi-spectroscopic and in silico investigation of gambogic acid-calf thymus DNA interactions.: This study utilizes potassium iodide in spectroscopic methods to elucidate the interactions between gambogic acid and DNA, contributing to the understanding of its potential therapeutic effects (Bhardwaj et al., 2024).
  • Surface Modification of Lignite with Alkyl and Mixed Alkyl-Aryl Films Generated from an Aryl Diazonium Salt and Alkyl Halides: Experimental Results and Theoretical Analyses.: Research details the use of potassium iodide in the surface modification of lignite, presenting a blend of experimental and theoretical insights to improve material properties (Hasani et al., 2024).

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

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

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


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