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Merck

1.05043

Potassium iodide

for analysis EMSURE® ISO,Reag. Ph Eur

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About This Item

Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
NACRES:
NA.21
EC Index Number:
231-659-4
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.5% (silver nitrate titration)
99.5-100.5% dry basis (silver nitrate titration)
Grade:
reagent grade
Form:
solid
Solubility:
1430 g/L
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Product Name

Potassium iodide, for analysis EMSURE® ISO,Reag. Ph Eur

InChI

1S/HI.K/h1H;/q;+1/p-1

SMILES string

[K+].[I-]

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

Quality Level

grade

reagent grade

agency

reag. ISO
reag. Ph. Eur.

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

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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 %

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).

Legal Information

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

pictograms

Health hazard

signalword

Danger

hcodes

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

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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