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|Jmol-3D images||Image 1|
|Molar mass||213.8918 g/mol|
|Density||3.865 g/cm3 (anhydrous)
300 °C (anhydrous)
|Solubility in water||soluble|
|Solubility||soluble in acids|
|Crystal structure||tetragonal (anhydrous)
|Other anions||sodium perchlorate, sodium perbromate|
|Other cations||potassium periodate|
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Sodium periodate is the sodium salt of periodic acid. It can refer to two different chemical compounds, sodium metaperiodate (often abbreviated as m-periodate), which has the formula NaIO4, and sodium orthoperiodate (often abbreviated as o-periodate), which has the formula Na2H3IO6. Both salts are useful in certain synthetic chemistries for the oxidative power of the periodate ion.
Density is 3.865 g cm−3. It is soluble in water.
Sodium periodate can be used in solution to open saccharide rings between vicinal diols leaving two aldehyde groups. This process is often used in labeling saccharides with fluorescent molecules or other tags such as biotin. Because the process requires vicinal diols, periodate oxidation is often used to selectively label the 3'-termini of RNA (ribose has vicinal diols) instead of DNA as deoxyribose does not have vicinal diols.
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