Copper I Bromide Suppliers & Exporters in Mumbai, India

CuBr

CAS Number:7787‑70‑4

Synonyms:Copper(I) bromide; Cuprous bromide; CuBr

Chemical Formula:CuBr

Product Introduction

A white to pale-green, crystalline solid of cuprous bromide. Air- and light-sensitive (oxidizes to CuBr₂). High-purity grades (>98%) are used in organic synthesis (e.g. Sandmeyer reactions), ATRP, catalysis, nanomaterial synthesis, and as a lasing medium in copper vapor lasers.

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Physical & Chemical Properties

Property	Value
Appearance	White to pale-green crystalline powder
Purity	≥ 98 % (TCI, Sigma‑Aldrich)
Molecular Weight	143.45 g/mol
Density @ 25 °C	4.71 g/cm³
Melting Point	504 °C
Solubility	Insoluble in water; dissolves in HCl, HBr, ammonia, acetonitrile
Refractive Index	~2.116
Flash Point	Non‑flammable solid

Applications

Organic synthesis: Sandmeyer bromination, alkynyl amine formation, polymer functionalization.
Catalysis & ATRP: Core reagent in atom transfer radical polymerization and cross-dehydrogenative coupling reactions.
Nanomaterials & lasers: Used in nanocrystal synthesis and copper vapor laser technologies.
Laboratory reagent: High-purity reagent in academic and industrial research labs.