Characteristic

 

Sodium bromate, the inorganic compound with the chemical formula of NaBrO₃, is the sodium salt of bromic acid. It is a strong oxidant.

Chemical formula:NaBrO₃

Molar mass: 150.892 g/mol

Appearance: colorless or white solid

Odor: odorless

Density: 3.339 g/cm³

Melting point: 381 °C (718 °F; 654 K)

Boiling point: 1,390 °C (2,530 °F; 1,660 K)

Solubility in water:27.5 g/100 mL (0 °C);36.4 g/100 mL (20 °C);48.8 g/100 mL (40 °C);90.8 g/100 mL (100 °C)

Solubility: soluble in ammonia;insoluble in ethanol

Magnetic susceptibility (χ):−44.2·10⁻⁶ cm³/mol

Refractive index (nD):1.594

Crystal structure:cubic

 

Application

 

Sodium bromate is used as an oxidant to convert tetrahydropyranyl ethers to carbonyl compounds. It acts as an analytical reagent. It is also used for dissolving gold from its ores, boiler cleaning, oxidation of sulfur and vat dyes. Further, it is used in hair treatment formulations as a hair-permanent.