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Chlorides and other halides

Zinc bromide

Also known as dibromozinc, Br2Zn

CAS 7699-45-8Formula Br2ZnMolar mass 225.20 g/molEC 231-718-4
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Hazardous to the environment 67 suppliers listed Drug substance
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Zinc bromide chemical structure, Br2Zn, CAS 7699-45-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White hexagonal crystals
Melting point
394 °C
Boiling point
697 °C
Density
4.3 g/cm³
Solubility
457.399 lb/100 lb water at 70 °F
HS code
282759
Category
Chlorides and other halides
UN number
UN 3077
Illustrative photo, colourless crystals beside an amber glass bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Zinc bromide?

Plain description, key identifiers and synonyms

Zinc bromide appears as a white crystalline noncombustible solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in medicine, in photography.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
zinc dibromide
CAS number
7699-45-8 CAS number cross-checkedOther or deprecated CAS: 7899-45-8
EC number
231-718-4
Molecular formula
Br2Zn
UNII
OO7ZBU9703
InChIKey
VNDYJBBGRKZCSX-UHFFFAOYSA-L
InChI
InChI=1S/2BrH.Zn/h2*1H;/q;;+2/p-2
SMILES (canonical and isomeric)
[Zn+2].[Br-].[Br-]

Synonyms

  • dibromozinc
  • Br2Zn

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 crystalsexp.
Odour
Odorlessexp.
Taste
SHARP METALLIC TASTEexp.
Melting point
394 °Cexp.
Boiling point
697 °Cexp.
Density
4.3 g/cm³exp.
Solubility
457.399 lb/100 lb water at 70 °Fexp.

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
225.20 g/molcalc.
Exact mass
221.7658 Dacalc.
LogP (octanol/water)
-5.99calc.
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
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H317May cause an allergic skin reaction.
  • H318Causes serious eye damage.
  • H400Very toxic to aquatic life.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (24)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3077

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

Zinc bromide suppliers

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

All 67 suppliers
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Where suppliers are based

67 suppliers in 13 countries

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Zinc bromide 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

Making silver bromide collodion emulsions for photography, in the shielding of viewing windows for nuclear reactions.

Manufacture of rayon, photographic emulsions. A solution of 80% zinc bromide is used as a radiation viewing shield.

An absorbent in humidity control.

Is a soluble salt used to increase the density of drilling muds and work-over and completion fluids.

Industrial uses: Density modifier, Other, Conductive agent.

Consumer uses: Other.

How it is made

Interaction of solutions of barium bromide & zinc sulfate, with subsequent crystallization.

Manufactured either by direct reduction of br with zinc or by reaction of zinc carbonate or oxide with hydrobromic acid.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

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

Frequently asked questions

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

What is Zinc bromide?

Zinc bromide appears as a white crystalline noncombustible solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in medicine, in photography.

What is the CAS number of Zinc bromide?

The CAS registry number of Zinc bromide is 7699-45-8. Other or deprecated CAS numbers: 7899-45-8.

What is the molecular formula and weight of Zinc bromide?

The molecular formula of Zinc bromide is Br2Zn and its molar mass is 225.20 g/mol.

What is Zinc bromide used for?

Making silver bromide collodion emulsions for photography, in the shielding of viewing windows for nuclear reactions. Manufacture of rayon, photographic emulsions. A solution of 80% zinc bromide is used as a radiation viewing shield. An absorbent in humidity control.

Is Zinc bromide hazardous?

Zinc bromide carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes severe skin burns and eye damage, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Zinc bromide?

Zinc 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 Zinc bromide?

CompoundList lists 67 suppliers of Zinc bromide in India, China, United States, Canada and 9 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Zinc bromide in India?

25 suppliers in India list Zinc 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 Zinc bromide?

Suppliers quote Zinc 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 Zinc 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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