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Chlorides and other halides

Copper(I) bromide

Also known as Cuprous bromide, Bromocopper, Copper(1+) bromide

CAS 7787-70-4Formula BrCuMolar mass 143.45 g/molEC 232-131-6
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Hazardous to the environment 27 suppliers listed
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Copper(I) bromide chemical structure, BrCu, CAS 7787-70-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White powder or cubic crystals (zinc blende structure)
Melting point
504 °C
Boiling point
1,345 °C
Density
4.72 @ 25 °C/4 °C
Solubility
Slightly sol in cold water, sol in hydrochloric acid, hydrobromic acid, ammonium hydroxi…
HS code
282759
Category
Chlorides and other halides
Illustrative photo, white powder in small glass vials on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Copper(I) bromide?

Plain description, key identifiers and synonyms

Copper (i) bromide appears as white powder or crystal. Turns green to dark blue on exposure to sunlight. Sinks and mixes slowly with water. (USCG, 1999)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bromocopper
CAS number
7787-70-4 CAS number cross-checked
EC number
232-131-6
Molecular formula
BrCu
UNII
R8V209A5G0
InChIKey
NKNDPYCGAZPOFS-UHFFFAOYSA-M
InChI
InChI=1S/BrH.Cu/h1H;/q;+1/p-1
SMILES (canonical and isomeric)
[Cu]Br

Synonyms

  • Cuprous bromide
  • Bromocopper
  • Copper(1+) bromide
  • Copper monobromide
  • Copper bromide (CuBr)
  • copper(1)bromide
  • Copper I Bromide
  • copper (I)bromide
  • Copper(l) bromide
  • copper-(I)bromide
  • copper(1) bromide
  • copper-(I) bromide
  • copper (1) bromide
  • copper-(1) bromide
  • copper- (I) bromide
  • Copper(I) bromide, 98%
  • Copper(I) bromide, >=97.0%
  • Copper(I) Bromide, Trace metals grade
  • Copper(I) bromide, 99.999% trace metals basis
  • Copper(I) bromide, purum p.a., >=98.0% (RT)
  • Copper(I) bromide, beads, -10 mesh, 99.99% trace metals basis

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 powder or cubic crystals (zinc blende structure)exp.
Melting point
504 °Cexp.
Boiling point
1,345 °Cexp.
Density
4.72 @ 25 °C/4 °Cexp.
Solubility
Slightly sol in cold water, sol in hydrochloric acid, hydrobromic acid, ammonium hydroxide with the formation of complexes, practically insoluble in acetone, concentrated sulfuric acidexp.
Vapour pressure
1 MM HG @ 572 °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
143.45 g/molcalc.
Exact mass
141.8479 Dacalc.
LogP (octanol/water)
0.84calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

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

  • H302 + H312Harmful if swallowed. Harmful in contact with skin.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (23)
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • 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.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • 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.
  • P391Collect spillage.
  • 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

Copper(I) bromide suppliers

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

All 27 suppliers
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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

27 suppliers in 5 countries

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Copper(I) 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

As a catalyst for organic reactions.

As a polymerization catalyst for organic reactions.

How it is made

Prepn: Briggs, J Chem Soc 127: 496 (1925), Keller, Wycoff, Inorg Syn 2: 3 (1946), Wagner, Wagner, J Chem Phys 26: 1597 (1957).

By reducing copper(II) sulfate soln containing potassium bromide with sulfur dioxide or other standard reducing agents, or with metallic copper.

Prepared pyrometallurgically or by reducing a copper(II) sulfate solution in the presence of sodium bromide, usually with sulfur dioxide or metallic copper.

Regulatory status

Inventories, regulations and trade controls that list this substance

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

Frequently asked questions

Quick answers about Copper(I) bromide, based on the data on this page

What is Copper(I) bromide?

Copper (i) bromide appears as white powder or crystal. Turns green to dark blue on exposure to sunlight. Sinks and mixes slowly with water. (USCG, 1999)

What is the CAS number of Copper(I) bromide?

The CAS registry number of Copper(I) bromide is 7787-70-4.

What is the molecular formula and weight of Copper(I) bromide?

The molecular formula of Copper(I) bromide is BrCu and its molar mass is 143.45 g/mol.

What is Copper(I) bromide used for?

As a catalyst for organic reactions. As a polymerization catalyst for organic reactions.

Is Copper(I) bromide hazardous?

Copper(I) bromide carries the GHS signal word "Danger". Main hazards: harmful if swallowed. harmful in contact with skin, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Copper(I) bromide?

Copper(I) 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 Copper(I) bromide?

CompoundList lists 27 suppliers of Copper(I) bromide in India, China, Japan, Pakistan and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Copper(I) bromide in India?

16 suppliers in India list Copper(I) 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 Copper(I) bromide?

Suppliers quote Copper(I) 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 Copper(I) 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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