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Silicates, borates and other salts

Sodium bromate

Also known as Bromic acid, sodium salt, Dyetone, Bromate de sodium

CAS 7789-38-0Formula BrNaO3Molar mass 150.89 g/molEC 232-160-4
GHS signal word: Danger. Pictograms: Oxidiser, Acute toxicity (severe), Harmful or irritant, Serious health hazard 56 suppliers listed
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Sodium bromate chemical structure, BrNaO3, CAS 7789-38-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White crystals or white powder
Melting point
381 °C
Density
3.200 g/cm³
Solubility
Solubility in water (g/100 g water): 27.5 at 0 °C, 48.8 at 40 °C, 62.6 at 60 °C, 75.8 at…
HS code
282990
Category
Silicates, borates and other salts
UN number
UN 1494
Illustrative photo, fine white powder in an amber glass reagent bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Sodium bromate?

Plain description, key identifiers and synonyms

Sodium bromate is an inorganic sodium salt having bromate as the counterion. It has a role as a nephrotoxic agent and an oxidising agent. It is a bromate salt and an inorganic sodium salt.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium bromate
CAS number
7789-38-0 CAS number cross-checked
EC number
232-160-4
Molecular formula
BrNaO3
UNII
U54JK6453O
MDL number
MFCD00003476
INCI name
SODIUM BROMATE
InChIKey
KDIZBQIJCLJRPG-UHFFFAOYSA-N
InChI
InChI=1S/BrO3.Na/c2-1(3)4;/q-1;+1
SMILES (canonical and isomeric)
[O-]Br(=O)=O.[Na+]

Synonyms

  • Bromic acid, sodium salt
  • Dyetone
  • Bromate de sodium
  • Neutralizer K-126
  • Neutralizer K-140
  • Neutralizer K-938
  • Sodium bromate(DOT)
  • Sodium bromate (NaBrO3)
  • NaBrO3
  • sodium, bromate
  • Bromic acid, sodium salt (1:1)
  • Sodium bromate, >=99%
  • Sodium bromate [UN1494] [Oxidizer]
  • Na Br O3
  • Sodium bromate, p.a., 99.5%
  • Sodium bromate, puriss. p.a., >=99.5% (RT)

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 crystals or white powderexp.
Odour
Odorlessexp.
Melting point
381 °Cexp.
Density
3.200 g/cm³exp.
Solubility
Solubility in water (g/100 g water): 27.5 at 0 °C, 48.8 at 40 °C, 62.6 at 60 °C, 75.8 at 80 °C, 90.8 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
150.89 g/molcalc.
Exact mass
149.8929 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)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H271May cause fire or explosion, strong oxidiser.
  • H272May intensify fire, oxidiser.
  • H301Toxic if swallowed.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H341Suspected of causing genetic defects.
  • H350May cause cancer.
Precautionary statements (29)
  • 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.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • 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.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P306 + P360If on clothing: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P420Store separately.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1494
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

Sodium bromate suppliers

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All 56 suppliers
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Where suppliers are based

56 suppliers in 14 countries

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Sodium 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

Analytical reagent.

As a mixture with sodium bromide for dissolving gold from its ores.

Boiler cleaning, and oxidation of sulfur and vat dyes.

Uses are in hair treatment formulations, in continuous or batch dyeing processes involving sulfur or vat dyes.

Industrial uses: Processing aids not otherwise specified.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name SODIUM BROMATE(oxidising)

Roles

  • aetiopathogenetic role
  • nephrotoxic agent
  • oxidising agent

Functional uses

  • Oxidizing agent

Cosmetic functions

  • Oxidising

How it is made

By passing bromine into a solution of sodium carbonate, sodium bromide and sodium bromate being formed.

Electrolytic oxidation of sodium bromide

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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 Sodium 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 Sodium bromate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Sodium bromate?

Sodium bromate is an inorganic sodium salt having bromate as the counterion. It has a role as a nephrotoxic agent and an oxidising agent. It is a bromate salt and an inorganic sodium salt.

What is the CAS number of Sodium bromate?

The CAS registry number of Sodium bromate is 7789-38-0.

What is the molecular formula and weight of Sodium bromate?

The molecular formula of Sodium bromate is BrNaO3 and its molar mass is 150.89 g/mol.

What is Sodium bromate used for?

Analytical reagent. As a mixture with sodium bromide for dissolving gold from its ores. Boiler cleaning, and oxidation of sulfur and vat dyes. Uses are in hair treatment formulations, in continuous or batch dyeing processes involving sulfur or vat dyes. Industrial uses: Processing aids not otherwise specified.

Is Sodium bromate hazardous?

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

What is the HS code of Sodium bromate?

Sodium 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 Sodium bromate?

CompoundList lists 56 suppliers of Sodium bromate in China, India, United States, United Kingdom and 10 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Sodium bromate in India?

13 suppliers in India list Sodium 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 Sodium bromate?

Suppliers quote Sodium 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 Sodium 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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