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215929 Sigma-Aldrich

Potassium iodate

ACS reagent, 99.5%

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Potassium, Potassium Salts,
grade   ACS reagent
InChI Key   JLKDVMWYMMLWTI-UHFFFAOYSA-M
assay   99.4-100.4% (ACS specification)
  99.5%
impurities   ≤0.005% N compounds
  ≤0.005% insolubles
pH   5.0-8.0 (25 °C, 5%)
mp   560 °C(lit.)
density   3.93 g/mL at 25 °C(lit.)
anion traces   chloride, bromide (as Cl)-: ≤0.01%
  iodide (I-): ≤0.001%
  sulfate (SO42-): ≤0.005%
cation traces   Fe: ≤0.001%
  Na: ≤0.005%
  heavy metals: ≤5 ppm (by ICP-OES)

Description

Packaging

100, 500 g in poly bottle

12 kg in poly drum

5 g in glass bottle

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.

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.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 1479 5.1 / PGII
WGK Germany 
3
RTECS 
NN1350000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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