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Silicates, borates and other salts

Potassium bromate

Also known as Bromic acid, potassium salt, potassium trioxobromate, potassium, bromate

CAS 7758-01-2Formula BrKO3Molar mass 167.00 g/molEC 231-829-8
GHS signal word: Danger. Pictograms: Oxidiser, Acute toxicity (severe), Serious health hazard 50 suppliers listed
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Potassium bromate chemical structure, BrKO3, CAS 7758-01-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White hexagonal crystal
Melting point
350 °C
Boiling point
370 °C
Density
3.27 g/cm³ at 17.5 °C
Solubility
Solubility (g/100 g water): 3.1 at 0 °C, 6.9 at 20 °C, 13.1 at 40 °C, 22.2 at 60 °C, 33.…
HS code
282990
Category
Silicates, borates and other salts
UN number
UN 1484
Illustrative photo, colourless crystals in small glass vials on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Potassium bromate?

Plain description, key identifiers and synonyms

Potassium bromate is a bromate salt and a potassium salt. It has a role as a flour treatment agent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium bromate
CAS number
7758-01-2 CAS number cross-checked
EC number
231-829-8
Molecular formula
BrKO3
UNII
04MB35W6ZA
MDL number
MFCD00011359
INCI name
POTASSIUM BROMATE
InChIKey
YKMIIXZZCULMJS-UHFFFAOYSA-N
InChI
InChI=1S/BrO3.K/c2-1(3)4;/q-1;+1
SMILES (canonical and isomeric)
[O-]Br(=O)=O.[K+]

Synonyms

  • Bromic acid, potassium salt
  • potassium trioxobromate
  • potassium, bromate
  • Bromate, potassium
  • BrKO3
  • Potassium bromate(DOT)
  • Kaliumbromat
  • EEC No. E924
  • potassium bromate-bromide
  • 0.033M Potassium bromate
  • Potassium bromate ACS reagent
  • potassium trioxidobromate(1-)
  • Potassium bromate(V) (KBrO3)
  • potassium bromate/potassium bromide
  • Bromic acid, potassium salt (1:1)
  • Bromic acid potassium salt (1:1)
  • Potassium bromate [UN1484] [Oxidizer]
  • 0.033M Potassium Bromate according to European Pharmacopoeia 4.2.2.
  • Reagecon Potassium Bromate 0.01667M according to Chinese Pharmacopoeia (ChP)
  • Reagecon Potassium Bromate 0.1N according to United States Pharmacopoeia (USP)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
White hexagonal crystalexp.
Odour
Odorlessexp.
Taste
Tastelessexp.
Melting point
350 °Cexp.
Boiling point
370 °Cexp.
Density
3.27 g/cm³ at 17.5 °Cexp.
Solubility
Solubility (g/100 g water): 3.1 at 0 °C, 6.9 at 20 °C, 13.1 at 40 °C, 22.2 at 60 °C, 33.9 at 80 °C, 49.7 at 100 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
167.00 g/molcalc.
Exact mass
165.8668 Dacalc.
LogP (octanol/water)
-6.56calc.
Topological polar surface area
69.18 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H271May cause fire or explosion, strong oxidiser.
  • H301Toxic if swallowed.
  • H350May cause cancer.
Precautionary statements (17)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P283Wear fire resistant or flame retardant clothing.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P306 + P360If on clothing: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P371 + P380 + P375In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
  • P405Store locked up.
  • P420Store separately.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1484
Transport hazard class
5.1
Packing group
II

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Potassium bromate suppliers

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Where suppliers are based

50 suppliers in 11 countries

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Potassium bromate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Laboratory reagent, oxidizing agent, permanent-wave compounds, maturing agent in flour, dough conditioner, food additive.

Bread- and flour-improving agent. In analytical chemistry as oxidizing agent in acid solutions.

Malting of barley.

Industrial cleaning agent.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name POTASSIUM BROMATE(oxidising)

Pharmacological actions

  • Carcinogens
  • Food Additives

Roles

  • additive
  • flour treatment agent
  • food additive
  • food component
  • physiological role

Functional uses

  • Filler
  • Food preservative
  • Leavening agent
  • Oxidizing agent

Cosmetic functions

  • Oxidising

How it is made

Potassium bromate is produced by passing bromine into a solution of potassium hydroxide. An industrial electrolytic process is used for large-scale production of potassium bromate...

By-product of potassium bromide production by absorption of bromine from ocean water into potassium carbonate

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 035-003-00-6

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Potassium bromate, Ref no: 461, Annex ref: II/461

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Potassium bromate is traded under.

HS 2829.90Indicative HS code

Chlorates and perchlorates, bromates and perbromates, iodates and periodates, other

World exports in 2024
$249M
+20.9% vs 2023, imports $241M
2019 to 2024
Top exporters
  1. United States15.9%
  2. Brazil12.5%
  3. Belgium12.5%
Top importers
  1. Belgium10.3%
  2. South Korea10.0%
  3. Turkey7.0%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Potassium bromate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Potassium bromate, based on the data on this page

What is Potassium bromate?

Potassium bromate is a bromate salt and a potassium salt. It has a role as a flour treatment agent.

What is the CAS number of Potassium bromate?

The CAS registry number of Potassium bromate is 7758-01-2.

What is the molecular formula and weight of Potassium bromate?

The molecular formula of Potassium bromate is BrKO3 and its molar mass is 167.00 g/mol.

What is Potassium bromate used for?

Laboratory reagent, oxidizing agent, permanent-wave compounds, maturing agent in flour, dough conditioner, food additive. Bread- and flour-improving agent. In analytical chemistry as oxidizing agent in acid solutions. Malting of barley. Industrial cleaning agent. Use classes: Cosmetics.

Is Potassium bromate hazardous?

Potassium bromate carries the GHS signal word "Danger". Main hazards: may cause fire or explosion, strong oxidiser, toxic if swallowed, may cause cancer. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Potassium bromate?

Potassium bromate is usually classified under HS code 282990 (Chlorates and perchlorates, bromates and perbromates, iodates and periodates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Potassium bromate?

CompoundList lists 50 suppliers of Potassium bromate in India, China, United States, United Kingdom and 7 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Potassium bromate in India?

23 suppliers in India list Potassium bromate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Potassium bromate?

Suppliers quote Potassium bromate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Potassium bromate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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