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215929

Potassium iodate

Name: Potassium iodate
Brand: SIGALD

ACS reagent, 99.5%

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About This Item

Linear Formula:

KIO₃

CAS Number:

7758-05-6

Molecular Weight:

214.00

NACRES:

NA.21

PubChem Substance ID:

329752178

UNSPSC Code:

12352302

EC Number:

231-831-9

MDL number:

MFCD00011406

Assay:

99.4-100.4% (ACS specification), 99.5%

Grade:

ACS reagent

Form:

powder

Solubility:

water: soluble

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Properties

grade

ACS reagent

Quality Segment

200

assay

99.4-100.4% (ACS specification), 99.5%

form

powder

impurities

≤0.005% N compounds, ≤0.005% insolubles

pH

5.0-8.0 (25 °C, 5%)

mp

560 °C (lit.)

solubility

water: soluble

density

3.93 g/mL at 25 °C (lit.)

anion traces

chloride, bromide (as Cl)^-: ≤0.01%, iodide (I^-): ≤0.001%, sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.001%, Na: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

[K+].[O-]I(=O)=O

InChI

1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1

InChI key

JLKDVMWYMMLWTI-UHFFFAOYSA-M

Description

General description

KIO₃ can be used as a substitute of KI in radiation protection. A kinetic study of thermal degradation of KIO₃ by γ-rays suggests that rate of decomposition increases while activation energy decreases upon irradiation.

Application

Potassium iodate (KIO₃) may be used as an oxidizing agent in the estimation of hydrolyzable tannins (gallotannins and ellagitannins) in plant samples. It may also be used in the preparation of polyaniline, poly(o-anisidine), poly[aniline-co-(o-anisidine) and TiO₂ nanoparticles.

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Danger

Storage Class

5.1B - Oxidizing hazardous materials

flash_point_f

does not flash

flash_point_c

does not flash

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2 - Repr. 2

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