Skip to content
Molekula

Molekula

Copper (I) bromide

SKU 25291637 CAS 7787-70-4 CuBr MW 143.45 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Copper (I) bromide is a white to off-white crystalline solid primarily used as a catalyst in organic synthesis, a reagent in chemical reactions, and in the production of semiconductors and specialty glasses. It is also employed in photography and as the copper source in the Sandmeyer reaction for converting aryl diazonium salts into aryl bromides. This chemical has a CAS number of 7787-70-4, with the molecular formula CuBr and a molecular weight of 143.45. It is safely stored at ambient conditions but requires careful handling due to its hazardous nature, indicated by the signal word "Danger." Molekula supplies Copper (I) bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Specifications available on request — see Documents below or contact our sales team.

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 9
Packing Group III
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance White powder or cubic crystals (zinc blende structure)
Melting Point 504 °C
Boiling Point 1345 °C
Water Solubility Slightly soluble in water
Solubility (other solvents) Soluble in hydrochloric acid and ammonium hydroxide; insoluble in acetone and sulfuric acid
Vapour Pressure 1 mmHg at 572 °C

Source: PubChem CID 24593 (HSDB)

Identification

Property Value
SKU 25291637
CAS Number 7787-70-4
IUPAC Name bromocopper
EC Number 232-131-6
Molecular Formula CuBr
Molecular Weight 143.45
Exact Mass 141.8479
SMILES [Cu]Br
InChIKey NKNDPYCGAZPOFS-UHFFFAOYSA-M
InChI InChI=1S/BrH.Cu/h1H;/q;+1/p-1
PubChem CID 24593
UN Number UN3077
REACH Code Y110
TSCA Listed Yes
HTS Code 28275951
Tariff Code 2827590000

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H302+312 Harmful if swallowed or in contact with skin
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Bromocopper
  • Copper bromide (CuBr)
  • Copper monobromide
  • Copper(1+) bromide
  • Copper(I) Bromide, Trace metals grade
  • Copper(l) bromide
  • CUPROUS BROMIDE

Frequently asked questions

What is copper(I) bromide commonly used for?

Copper(I) bromide is primarily used as a catalyst in organic synthesis (e.g., Ullmann coupling), a reagent in polymer chemistry, and in the production of semiconductors and photovoltaic materials.

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

The chemical formula is **CuBr**, and the molecular weight is **143.45 g/mol**.

What safety classification does copper(I) bromide have?

Copper(I) bromide is classified with the **signal word 'Danger'** due to its hazardous properties, including toxicity and corrosivity.

How should copper(I) bromide be stored?

Store copper(I) bromide in a **cool, dry place at ambient temperature**, away from moisture, oxidizing agents, and incompatible materials.

Does Molekula supply copper(I) bromide in bulk quantities?

Yes, Molekula can supply copper(I) bromide in **bulk quantities** upon request, depending on availability and order specifications.

What documentation is provided with a copper(I) bromide order?

Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and a product specification sheet detailing purity and quality standards.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket