Potassium iodate

Quality Level

200

InChI key

JLKDVMWYMMLWTI-UHFFFAOYSA-M

InChI

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

SMILES string

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

grade

ACS reagent

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)