Sodium iodate
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| Sodium iodate |
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| 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 |
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| 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
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