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221929

Sigma-Aldrich

Iodic acid

ACS reagent, ≥99.5%

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About This Item

Empirical Formula (Hill Notation):
HIO3
CAS Number:
7782-68-5
Molecular Weight:
175.91
EC Number:
231-962-1
MDL number:
MFCD00011348
UNSPSC Code:
12352106
PubChem Substance ID:
329752285
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

Assay

≥99.5%

form

crystals or chunks

impurities

≤0.01% insolubles
≤0.1% N compounds

ign. residue

≤0.02%

solubility

water: soluble

density

4.63 g/cm3

anion traces

Cl- and Br-: ≤0.02%
iodide (I-): ≤0.01%
sulfate (SO42-): ≤0.015%

cation traces

Fe: ≤0.002%
heavy metals (as Pb): ≤0.001%

SMILES string

OI(=O)=O

InChI

1S/HIO3/c2-1(3)4/h(H,2,3,4)

InChI key

ICIWUVCWSCSTAQ-UHFFFAOYSA-N

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Pictograms

Flame over circleCorrosion
GHS03,GHS05

Signal Word

Danger

Hazard Statements

H272,H314

Hazard Classifications

Ox. Sol. 2 - Skin Corr. 1B

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Glass formation and unusual hygroscopic growth of iodic acid solution droplets with relevance for iodine oxide particles in the coastal marine boundary layer.
Murray BJ, et al.
Atmospheric Chemistry and Physics Discussions, 12(3), 7879-7908 (2012)
Raman studies of iodic acid and sodium iodate.
Durig JR, et al.
The Journal of Physical Chemistry, 69(11), 3886-3892 (1965)
Manometric carbon determination.
Van Slyke DD and Folch J.
The Journal of Biological Chemistry, 136(2), 509-541 (1940)
Amanda C Bean et al.
Inorganic chemistry, 44(15), 5209-5211 (2005-07-19)
The hydrothermal reaction of a (239)Pu(IV) stock solution in the presence of iodic acid and 1 M KOH produces reddish-brown single crystals of (PuO(2))(2)(IO(3))(OH)(3). The structure consists of two-dimensional layers forming in the ac plane and is the first single-crystal
Colour reactions of iodic acid as reagent for identifying drugs by thin-layer chromatography.
G Cavazzutti et al.
Journal of chromatography, 268(3), 528-534 (1983-10-07)
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