Merck
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30315

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

USP/NF
reag. ISO
reag. Ph. Eur.

vapor pressure

1 mmHg ( 745 °C)

description

REDUCING SUBSTANCES complying

grade

puriss. p.a.

assay

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

form

solid

impurities

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

loss

≤0.5% loss on drying, 105 °C

pH

6.0-8.0 (20 °C, 5%)

mp

681 °C (lit.)

anion traces

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

cation traces

As: ≤0.1 mg/kg
Ba: ≤20 mg/kg
Ca: ≤10 mg/kg
Fe: ≤3 mg/kg
Mg: ≤10 mg/kg
Na: ≤300 mg/kg

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

Certificate of Analysis

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Certificate of Origin

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