Sodium bismuthate

Sodium bismuthate is an inorganic compound, and a strong oxidiser with chemical formula NaBiO3. It is somewhat hygroscopic, but not soluble in cold water, which can be convenient since the reagent can be easily removed after the reaction. It is one of the few water insoluble sodium salts. Commercial samples may be a mixture of bismuth(V) oxide, sodium carbonate and sodium peroxide.

Sodium bismuthate

NaBiO3 powder.
Names
Other names
Sodium bismuth oxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.032.220
EC Number
  • 235-455-6
UNII
  • InChI=1S/Bi.Na.3O/q;+1;;;-1
  • [O-][Bi](=O)=O.[Na+]
Properties
NaBiO3
Molar mass 279.968 g/mol
Appearance Yellow to yellowish-brown odorless powder
Density 6.50 g/cm3
Insoluble in cold, decomposes in hot water
Hazards
GHS labelling:
Warning
H302, H315, H319, H335
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
Lethal dose or concentration (LD, LC):
420 mg/kg (rat, oral)
Related compounds
Other anions
Sodium antimonate
Other cations
Potassium bismuthate
Related compounds
Sodium hexafluorobismuthate(V)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

A related compound with the approximate formula Na3BiO4 also exists.

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