Potassium bromate

CAS Number
7758-01-2
EC Number
231-829-8

What is Potassium bromate?

Potassium bromate (CAS 7758-01-2), also known as E924, is an inorganic oxidizing salt used commercially as a flour treatment agent and chemical oxidizer.

Where is Potassium bromate used?

  • Baking: dough conditioner that improves gluten network development, giving greater loaf volume and a finer crumb structure
  • Industrial applications: supports oxidation processes
  • Flour treatment: bleaching and maturing agent
  • Water treatment: disinfection byproduct of ozone treatment, monitored as a regulated contaminant
  • QA laboratories source analytical and reference-grade material for method validation and standard preparation in food and water testing programs.

Good to know: In water treatment it is a disinfection byproduct of ozone treatment, monitored as a regulated contaminant, not an added treatment chemical.

Commercial specifications

  • Packaging from small laboratory quantities to bulk industrial volumes

Other Names (Synonyms)

potassium trioxobromate|E924|Bromic acid, potassium salt|04MB35W6ZA|RefChem:175433|Bromic acid, potassium salt (1:1)

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What are the physical properties of Potassium bromate?

Melting Point 350 °C
Density 3.34 g/cm³
Appearance Potassium bromate is a white crystalline solid.
Color White crystals or granules
Form Powder/Solid
Water Solubility 70 g/L (20 ºC)
pH 5.0-9.0 (25℃, 50mg/mL in H2O)

How is Potassium bromate classified and handled safely? Learn More

Danger
GHS03· Oxidizing GHS06· Toxic GHS08· Health Hazard GHS07· Irritant

Hazard Statements

H271 May cause fire or explosion; strong Oxidizer
H272 May intensify fire; oxidizer
H301 Toxic if swallowed
H302 Harmful if swallowed

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P220 Keep away from clothing and other combustible materials.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.

Which trade and regulatory codes apply to Potassium bromate?

HS Code 28299000
UN Number 1484
ADR Class 5.1
Packing Group II
Storage Class 5.1A - Strongly oxidizing hazardous materials
WGK (Germany) 3
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