735906

Kupfer(I)-bromid

AnhydroBeads^™, -10 mesh, 99.99% trace metals basis

• Synonym(e): Cuprous bromide
• Lineare Formel: CuBr
• CAS-Nummer: 7787-70-4
• Molekulargewicht: 143.45
• NACRES: NA.23
• PubChem Substance ID: 329765065
• UNSPSC Code: 12352302
• EC Number: 232-131-6
• MDL number: MFCD00010969
• Assay: 99.99% trace metals basis
• Grade: synthesis grade
• Form: beads

Eigenschaften

• grade: synthesis grade
• Quality Segment: 100
• product line: AnhydroBeads^™
• assay: 99.99% trace metals basis
• form: beads
• reaction suitability: core: copper
• impurities: ≤150.0 ppm Trace Metal Analysis
• particle size: -10 mesh
• mp: 504 °C (lit.)
• density: 4.71 g/mL at 25 °C (lit.)
• application(s): electroplating; material synthesis precursor
• SMILES string: [Cu]Br
• InChI: 1S/BrH.Cu/h1H;/q;+1/p-1
• InChI key: NKNDPYCGAZPOFS-UHFFFAOYSA-M

Beschreibung

General description

Cuprous bromide may be prepared by the reduction of cupric bromide or CuSO₄-NaBr. In the molten state, it is grayish brown /greenish brown in color.

Application

Some reported applications of copper bromide are:

• catalyst in cross coupling reactions.
• co-catalyst in Sonogashira coupling.
• Lewis acid in enantioselective addition of alkynes.
• reducing agent, when complexed by three molecules of pyridine initiators for the controlled polymerization of styrene, methyl acrylate and methyl methacrylate.

Reductive homocoupling of α-bromo- α- chlorocarboxylates to dimethyl α, α′ dichlorosuccinate derivatives in presence of CuBr/LiOCH3 in methanol has been reported.

Legal Information

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

Sicherheitshinweise

• Piktogramme: GHS05,GHS07,GHS09
• Signalwort: Danger
• Gefahrencodes: H302 + H312,H315,H318,H410
• Sicherheitshinweise: P264 - P273 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2
• Lagerklasse: 13 - Non Combustible Solids
• Was ist los?: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable