Description

Cuprous Bromide is an inorganic chemical compound with the formula CuBr, widely recognized for its role as a versatile catalyst and reagent in organic synthesis. Its primary commercial value lies in its ability to facilitate key coupling reactions, such as Sandmeyer and Ullmann-type reactions, which are fundamental for constructing complex molecules. This makes it an essential raw material for the pharmaceutical, agrochemical, and specialty chemical industries seeking efficient synthetic pathways.

Application

• Pharmaceutical Synthesis: A key catalyst in Sandmeyer reactions for the synthesis of aryl bromides and other halogenated intermediates essential for active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used in the production of herbicides, fungicides, and insecticides where copper-based catalysts are required for specific bond formations.
• Organic Synthesis & Research: Employed as a catalyst in Ullmann coupling and atom transfer radical polymerization (ATRP) reactions for creating polymers and complex organic structures.
• Photography & Imaging: Serves as a source of copper ions in certain photographic developers and sensitizing solutions.
• Electroplating & Surface Treatment: Used in electroplating baths to deposit copper-bromide alloys for specialized conductive or decorative coatings.
• Laboratory Reagent: A standard reagent in analytical chemistry and research laboratories for qualitative and quantitative analysis.

Basic Information

Product Name	Cuprous Bromide
CAS No.	7787-70-4
Molecular Formula	CuBr
Molecular Weight	143.45 g/mol
Synonyms	Copper(I) Bromide; Copper Monobromide; Cuprous Bromide; Cuprous Bromide; Bromocopper; UNII-5J0B7Z5K3C; NSC 147993
EINECS	232-131-6

Quality Control

Our Cuprous Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms
Assay (CuBr)	≥ 98.0 %
Copper (Cu) Content	44.0 - 45.0 %
Bromide (Br) Content	55.0 - 56.0 %
Loss on Drying	≤ 1.0 %
Insoluble Matter	≤ 0.1 %
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.