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60400

Sigma-Aldrich

Potassium iodide

puriss. p.a., ACS reagent, ≥99.0% (AT)

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About This Item

Linear Formula:
KI
CAS Number:
Molecular Weight:
166.00
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:

grade

ACS reagent
puriss. p.a.

vapor pressure

1 mmHg ( 745 °C)

Assay

≥99.0% (AT)

form

solid

impurities

≤0.001% total nitrogen (N)

loss

≤0.2% loss on drying, 150 °C

pH

6.0-9.2 (25 °C, 50 mg/mL in H2O)

mp

681 °C (lit.)

solubility

water: soluble(lit.)

anion traces

bromide, chloride (as Cl-): ≤100 mg/kg
iodate (IO3-): ≤3 mg/kg
phosphate (PO43-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤0.1 mg/kg
Ba: ≤10 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

[K+].[I-]

InChI

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

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

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Application

Potassium iodide is a metal halide, which is produced industrially, via treating potassium hydroxide with iodine or by reacting iron powder with iodine. It is useful in treating the condition of dermatitis.

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Iodine Chemistry and Applications (2014)
Eagleson M.
Concise Encyclopedia Chemistry, 889-889 (1994)
V Witko-Sarsat et al.
Journal of immunology (Baltimore, Md. : 1950), 161(5), 2524-2532 (1998-09-02)
We previously demonstrated the presence of advanced oxidation protein products (AOPP), a novel marker of oxidative stress in the plasma of uremic patients receiving maintenance dialysis. The present study in a cohort of 162 uremic patients showed that plasma concentrations
Alumina-supported potassium iodide as a heterogeneous catalyst for biodiesel production from soybean oil.
Xie W and Li H.
J. Mol. Catal. A: Chem., 255(1), 1-9 (2006)
H B Li et al.
Journal of chromatography. A, 918(2), 335-339 (2001-06-16)
A novel method for the determination of iodide by size exclusion chromatography was established. The method was simple and highly sensitive with good precision. Iodide was converted to iodine, then sequestered with starch, and separated from the matrix using a

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