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Merck
CN

P4286

Potassium iodide

ACS reagent, ≥99.0%

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About This Item

Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
EC Number:
231-659-4
UNSPSC Code:
12352300
MDL number:
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InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

InChI

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

grade

ACS reagent

vapor pressure

1 mmHg ( 745 °C)

assay

≥99.0%

impurities

≤0.005% Insoluble matter

loss

≤0.2% loss on drying, 150°C

pH

6.0-9.2 (25 °C, 5% in solution)

mp

681 °C (lit.)

anion traces

chloride, bromide (as Cl)-: ≤0.01%, iodate (IO3-): ≤3 ppm, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.005%

cation traces

Ba: ≤0.002%, Ca: ≤0.002%, Fe: ≤3 ppm, Mg: ≤0.001%, Na: ≤0.005%, heavy metals (as Pb): ≤5 ppm

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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

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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