MilliporeSigma
All Photos(1)

Documents

221929

Sigma-Aldrich

Iodic acid

ACS reagent, ≥99.5%

Empirical Formula (Hill Notation):
HIO3
CAS Number:
Molecular Weight:
175.91
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
37581058060221376
Iodic acid ACS reagent, ≥99.5%

Sigma-Aldrich

221929

Iodic acid

Periodic acid ACS reagent, 99%

Sigma-Aldrich

375810

Periodic acid

Iodic acid puriss. p.a., ACS reagent, ≥99.5% (RT)

Sigma-Aldrich

58060

Iodic acid

assay

≥99.5%

assay

99%, 99.0-101.0% (ACS specification)

assay

≥99.5% (RT)

assay

99%, 99.0-103.0% (ACS specification)

form

crystals or chunks

form

powder or crystals

form

powder, crystals or chunks

form

crystals or chunks

impurities

≤0.01% insolubles, ≤0.1% N compounds

impurities

≤0.01% insolubles, ≤0.01% other halogens

impurities

≤0.1% total nitrogen (N)

impurities

≤0.01% insolubles

solubility

water: soluble

solubility

water: soluble

solubility

water: soluble

solubility

water: soluble 965 g/L at 20 °C

density

4.63 g/cm3

density

-

density

4.63 g/cm3

density

-

Pictograms

Flame over circleCorrosion

Signal Word

Danger

Hazard Statements

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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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)
Allen E Haddrell et al.
The journal of physical chemistry. A, 116(40), 9941-9953 (2012-09-18)
The most used instrument in single particle hygroscopic analysis over the past thirty years has been the electrodynamic balance (EDB). Two general assumptions are made in hygroscopic studies involving the EDB. First, it is assumed that the net charge on
Barbara Krassowska-Swiebocka et al.
Molecules (Basel, Switzerland), 10(2), 394-400 (2007-11-17)
Benzene, halobenzenes, and a number of more or less deactivated arenes,including nitrobenzene, readily reacted in anhydrous HIO3/AcOH/Ac2O/conc. H2SO4 mixtures to probably give ArIO2 intermediates or other hypervalent species (not isolated). The final reaction mixtures were poured into excess aq. Na2SO3

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service