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735906

Sigma-Aldrich

Copper(I) bromide

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

Synonym(s):

Cuprous bromide

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About This Item

Linear Formula:
CuBr
CAS Number:
7787-70-4
Molecular Weight:
143.45
EC Number:
232-131-6
MDL number:
MFCD00010969
UNSPSC Code:
12352302
PubChem Substance ID:
329765065
NACRES:
NA.23

product line

AnhydroBeads™

Assay

99.99% trace metals basis

form

beads

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)

battery manufacturing

SMILES string

[Cu]Br

InChI

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

InChI key

NKNDPYCGAZPOFS-UHFFFAOYSA-M

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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

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

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

735906-25G-PW:
735906-VAR:
735906-25G:4548173331706
735906-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Study on atom transfer radical polymerization initiated by p-nitrophenyl initiator and synthesis of amino end-functionalized polymers thereof
Qu, T.; Cai, W.; Fu, Z.; Shi, Y.
Macromolecular Research, 18(7), 623-629 (2010)
Denissova I and Barriault L
Handbook of Reagents for Organic Synthesis null
Shengtong Sun et al.
The journal of physical chemistry. A, 114(32), 8331-8336 (2010-08-13)
A designed ligand-accelerated Cu(I)-catalyzed cycloaddition (CuAAC) reaction was monitored for the first time by real time infrared analysis technique based on ATR-FTIR principles. Principal components analysis (PCA) and two-dimensional correlation spectroscopy (2Dcos) results showed that the consumption of alkyne and
Denissova I and Barriault L et al.
Handbook of Reagents for Organic Synthesis null
B Podobnik et al.
Bioconjugate chemistry, 26(3), 452-459 (2015-01-30)
The covalent attachment of poly(ethylene glycol) (PEG) to therapeutic proteins is a commonly used approach for extending in vivo half-lives. A potential limitation of this PEGylation strategy is the adverse effect of PEG on conjugate viscosity. Interferon-alpha (IFN) was conjugated
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