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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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1 of 4

This Item
1.9360122194530315
vibrant-m

1.05043

Potassium iodide

-
vibrant-m

1.93601

Potassium iodide

-
vibrant-m

221945

Potassium iodide

Essential Grade
vibrant-m

30315

Potassium iodide

-
assay

≥99.5% (silver nitrate titration), 99.5-100.5% dry basis (silver nitrate titration)

assay

-

assay

≥99.0%

assay

≥99.0%, 99.0-100.5% (calc. to the dried substance)

solubility

1430 g/L

solubility

-

solubility

-

solubility

-

Quality Level

300

Quality Level

-

Quality Level

200

Quality Level

200

mp

681 °C (lit.)

mp

681 °C (lit.)

mp

681 °C (lit.)

mp

681 °C (lit.)

impurities

≤0.001% Total nitrogen (N)

impurities

-

impurities

≤0.001% N compounds, ≤0.005% insolubles

impurities

≤0.0005% heavy metals (as Pb), ≤0.001% total nitrogen (N), ≤0.005% thiosulfate (S2O3), ≤0.02% free alkali (as KOH)

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

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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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