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Chlorides and other halides

Magnesium bromide

Also known as MgBr2, Magnesium bromide (MgBr2), Magnesium bromide, anhydrous

CAS 7789-48-2Formula Br2MgMolar mass 184.11 g/molEC 232-170-9
GHS signal word: Warning. Pictograms: Harmful or irritant 13 suppliers listed
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Magnesium bromide chemical structure, Br2Mg, CAS 7789-48-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7789-48-2
Formula
Br2Mg
Molar mass
184.11 g/mol
EC number
232-170-9
HS code
282759
Category
Chlorides and other halides

What is Magnesium bromide?

Plain description, key identifiers and synonyms

Magnesium bromide is a chemical compound of magnesium and bromine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
magnesium dibromide
CAS number
7789-48-2 CAS number cross-checked
EC number
232-170-9
Molecular formula
Br2Mg
UNII
2VC6P60SLN
INCI name
MAGNESIUM BROMIDE
InChIKey
OTCKOJUMXQWKQG-UHFFFAOYSA-L
InChI
InChI=1S/2BrH.Mg/h2*1H;/q;;+2/p-2
SMILES (canonical and isomeric)
[Mg+2].[Br-].[Br-]

Synonyms

  • MgBr2
  • Magnesium bromide (MgBr2)
  • Magnesium bromide, anhydrous
  • magnesiumbromide
  • Magnesium Dibromide,
  • Br2Mg
  • Magnesiumbromid
  • magnesium-bromide
  • magnesium bromide salt
  • magnesium(II) bromide
  • magnesium bromide 6-hydrate

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
184.11 g/molcalc.
Exact mass
181.8217 Dacalc.
LogP (octanol/water)
-6.37calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • 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.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • 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.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Magnesium bromide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 13 suppliers
13 of 13 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

13 suppliers in 7 countries

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Magnesium bromide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Cosmetics.

Cosmetic ingredient, INCI name MAGNESIUM BROMIDE(viscosity controlling)

Functional uses

  • Viscosity modifier

Cosmetic functions

  • Viscosity controlling

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 Magnesium bromide is traded under.

HS 2827.59Indicative HS code

Bromides and bromide oxides, other

World exports in 2024
$322M
−40.7% vs 2023, imports $348M
2019 to 2024
Top exporters
  1. Israel33.5%
  2. United States17.1%
  3. India * partner reported11.0%
Top importers
  1. United States29.2%
  2. Saudi Arabia29.1%
  3. Netherlands6.8%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Magnesium bromide, based on the data on this page

What is Magnesium bromide?

Magnesium bromide is a chemical compound of magnesium and bromine.

What is the CAS number of Magnesium bromide?

The CAS registry number of Magnesium bromide is 7789-48-2.

What is the molecular formula and weight of Magnesium bromide?

The molecular formula of Magnesium bromide is Br2Mg and its molar mass is 184.11 g/mol.

What is Magnesium bromide used for?

Use classes: Cosmetics.

Is Magnesium bromide hazardous?

Magnesium bromide carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Magnesium bromide?

Magnesium bromide is usually classified under HS code 282759 (Bromides and bromide oxides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Magnesium bromide?

CompoundList lists 13 suppliers of Magnesium bromide in China, United States, India, Germany and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Magnesium bromide in India?

2 suppliers in India list Magnesium bromide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Magnesium bromide?

Suppliers quote Magnesium bromide 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 Magnesium bromide

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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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