SODIUM BROMATE

CAS No. 7789-38-0
Chemical Formula: NaBrO3
Molecular Weight: 150.9

Bromate is a drinking water disinfection by-product formed during the ozonation of source water containing bromide. Sodium bromate is also used as an analytical reagent, in the oxidation of sulfur and vat dyes, and for cleaning boilers. As a mixture with sodium bromide, it is used for dissolving gold from its ores. The cosmetic industry uses sodium bromate and potassium bromate as neutralizers or oxidizers in hair wave preparations.

Sodium bromate is an ionic solid that appears as white granules or a crystalline powder, has no odor or taste, has a melting point of 381° C and a density of 3.4 g/mL, and is soluble in water and insoluble in organic vehicles such as 95% ethanol and acetone (Merck, 1983; HSDB, 2003). In the absence of information on sodium bromate, information on potassium bromate will be presented, as both salts produce similar effects and are roughly equivalent in the delivery of bromate ions.

Sodium Bromate is a powerful oxidizing agent, mainly used in preparing permanent-wave neutralizers, printing and dyeing auxiliary, chemical reagent, gold solvent in gold mines when used with Sodium Bromide. It's a bromate-based formulation of oxidizing agents for use in continuous or batch dyeing processes involving sulfur or vat dyes. It is also used as the raw material of some pesticides and pharmaceutical intermediaries.

Uses

• As a permagent in hair treatment formulations.
• Boiler cleaning and dyeing applications that involve oxidation of sulfur dyes.
• Combined with sodium bromide as a gold solvent in mines.

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