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Merck
CN

PX1507

Potassium iodide

granular, Meets ACS Specifications GR ACS

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About This Item

Linear Formula:
KI
CAS Number:
7681-11-0
Molecular Weight:
166.00
UNSPSC Code:
12352302
EC Index Number:
231-659-4
MDL number:
MFCD00011405
Assay:
≥99.0%
Grade:
ACS reagent
Form:
granular
Solubility:
water: soluble

Key Documents

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Product Name

Potassium iodide, granular, Meets ACS Specifications GR ACS

InChI

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

SMILES string

[K+].[I-]

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

grade

ACS reagent

vapor pressure

1 mmHg ( 745 °C)

assay

≥99.0%

form

granular

impurities

≤0.005% Insoluble matter

loss

≤0.2% loss on drying, 150°C

color

white

pH

6.9 (20 °C, 50 g/L in H2O)

bp

1325 °C/1013 hPa

mp

681 °C (lit.)

Quality Level

200

solubility

water: soluble

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

shipped in

ambient

storage temp.

room temp

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Analysis Note

Assay99.0% minBarium (Ba)0.002% maxCalcium (Ca)0.002% maxChloride and bromide (as Cl)0.01% maxColorWhiteFormGranulesHeavy metals (as Pb)5ppm maxInsoluble matter0.005% maxIodate (IO3)3ppm maxIron (Fe)3ppm maxLoss on drying (150°C)0.2% maxMagnesium (Mg)0.001% maxPhosphate (PO4)0.001% maxSodium (Na)0.005% maxSulfate (SO4)0.005% maxpH of a 5% solution at 25°C6.0-9.2

Application

granular, Meets ACS Specifications GR ACS

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H372

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

Regulatory Information

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