Potassium hydrogen diiodate

Product Name

Potassium hydrogen diiodate, puriss. p.a., ≥99.8% (RT)

InChI key

ACAYDTMSDROWHW-UHFFFAOYSA-M

InChI

1S/2HIO3.K/c2*2-1(3)4;/h2*(H,2,3,4);/q;;+1/p-1

SMILES string

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

grade

puriss. p.a.

assay

≥99.8% (RT)

form

powder or crystals

impurities

≤0.002% total nitrogen (N)

pH

~1-2 (20 °C, 50 g/L)

anion traces

bromide, bromate, chloride, chlorate (as Cl^-): ≤200 mg/kg
sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤20 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