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Sodium iodate



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Sodium iodate
Other names iodic acid, sodium salt
Identifiers
CAS number 7681-55-2
Properties
Molecular formula NaIO3
Molar mass 197.89 g/mol
Appearance white powder
Density 4.28 g/cm³, solid
Solubility in water 9g/100g water
Hazards
EU classification not listed
NFPA 704
 
1
1
OX
Related Compounds
Other anions sodium iodide
sodium periodate
sodium bromate
sodium chlorate
Other cations potassium iodate
silver iodate
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Sodium iodate (NaIO3) is a chemical compound.

Sodium iodate is an oxidizing agent and as such it can cause fires if in contact with combustible materials or reducing agents. It can be prepared by reacting a sodium-containing base such as sodium hydroxide with iodic acid, for example:

HIO3 + NaOH → NaIO3 + H2O

It can also be prepared by adding iodine to a hot, concentrated solution of sodium hydroxide.

3 I2 + 6 NaOH → NaIO3 + 5 NaI + 3 H2O

Conditions/substances to avoid are: heat, shock, friction, combustible materials, reducing materials, aluminum, organic compounds, carbon, hydrogen peroxide, sulfides.

References
     
    This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Sodium_iodate". A list of authors is available in Wikipedia.
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