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Merck
CN

60350

Potassium hydrogen diiodate

puriss. p.a., ≥99.8% (RT)

Synonym(s):

Potassium biiodate, Potassium hydrogeniodate

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About This Item

Linear Formula:
KH(IO3)2
CAS Number:
Molecular Weight:
389.91
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
236-650-9
MDL number:
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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 (SO42-): ≤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

SMILES string

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

InChI

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

InChI key

ACAYDTMSDROWHW-UHFFFAOYSA-M



pictograms

Flame over circleCorrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Ox. Sol. 2 - Skin Corr. 1B

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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