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61163

Sigma-Aldrich

Copper(I) bromide

purum p.a., ≥98.0% (RT)

Synonym(s):

Cuprous bromide

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About This Item

Linear Formula:
CuBr
CAS Number:
Molecular Weight:
143.45
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.21

grade

purum p.a.

Assay

≥98.0% (RT)

form

powder or crystals

reaction suitability

reagent type: catalyst
core: copper

impurities

≤3% Cu(II)Br2

mp

504 °C (lit.)

density

4.71 g/mL at 25 °C (lit.)

anion traces

sulfate (SO42-): ≤5000 mg/kg

cation traces

Ca: ≤500 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Fe: ≤500 mg/kg
K: ≤100 mg/kg
Na: ≤5000 mg/kg
Ni: ≤50 mg/kg
Pb: ≤500 mg/kg
Zn: ≤100 mg/kg

SMILES string

[Cu]Br

InChI

1S/BrH.Cu/h1H;/q;+1/p-1

InChI key

NKNDPYCGAZPOFS-UHFFFAOYSA-M

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General description

Copper(I) bromide is a copper(I) halide. Copper(I) bromide along with N-(n-octyl)-2-pyridylmethanimine participates in the living-radical polymerization of methyl methacrylate. It reacts with various heterocyclic thiones (L) in the presence of triphenylphosphine, to afford the mononuclear complexes of the general formula [Cu(L)(PPh3)2Br].

Application

Copper(I) bromide may be used in the synthesis of the following:
  • enantioenriched, functionalized and protected propargylamines
  • polyvinylchloride bearing benzoxazine side groups
  • polybutadiene having benzoxazine side-groups (PB-benzoxazine)

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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