Merck
All Photos(1)

30315-M

Sigma-Aldrich

Potassium iodide

puriss. p.a., reag. ISO, reag. Ph. Eur., ≥99.0%

Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

Agency

reag. ISO
reag. Ph. Eur.

vapor pressure

1 mmHg ( 745 °C)

grade

puriss. p.a.

assay

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

form

crystalline

impurities

Reducing substances, complies
≤0.0005% heavy metals (as Pb)
≤0.005% thiosulfate (S2O3)
≤0.02% free alkali (as KOH)
≤10 ppm total nitrogen (N)

loss

≤0.2% loss on drying, 105 °C

pH

6-8 (20 °C, 5%)

mp

681 °C (lit.)

anion traces

bromide, chloride (as Cl-): ≤100 ppm
iodate (IO3-): ≤2 ppm
phosphate (PO43-): ≤10 ppm
sulfate (SO42-): ≤10 ppm

cation traces

As: ≤0.00001%
Ba: ≤0.002%
Ca: ≤0.001%
Fe: ≤0.0003%
Mg: ≤0.001%
Na: ≤0.03%

SMILES string

[K+].[I-]

InChI

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

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

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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

Certificate of Analysis

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Certificate of Origin

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