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Sigma-Aldrich

Zinc bromide

AnhydroBeads™, −10 mesh, 99.999% trace metals basis

Synonym(s):

Zinc dibromide

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About This Item

Linear Formula:
ZnBr2
CAS Number:
7699-45-8
Molecular Weight:
225.20
EC Number:
231-718-4
MDL number:
MFCD00011294
UNSPSC Code:
12352302
eCl@ss:
38150410
PubChem Substance ID:
24868627
NACRES:
NA.23

product line

AnhydroBeads™

Assay

99.999% trace metals basis

reaction suitability

reagent type: catalyst
core: zinc

impurities

≤15.0 ppm Trace Metal Analysis

particle size

−10 mesh

bp

~670 °C/1 atm (lit.)

mp

394 °C (lit.)

solubility

diethyl ether: slightly soluble(lit.)
ethanol: very soluble(lit.)

SMILES string

Br[Zn]Br

InChI

1S/2BrH.Zn/h2*1H;/q;;+2/p-2

InChI key

VNDYJBBGRKZCSX-UHFFFAOYSA-L

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Application

Optimal catalyst for stereospecific and regioselective reaction of silacyclopropanes with carbonyl compounds.

Legal Information

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

accessory

Product No.
Description
Pricing

Signal Word

Danger

Hazard Statements

H302,H314,H317,H411

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Franz, A.K. Woerpel, K.A.
Journal of the American Chemical Society, 121, 949-949 (1999)
J R Baker et al.
Organic letters, 9(1), 45-48 (2006-12-29)
[reaction: see text] A key structural feature of the Neocarzinostatin chromophore is a reactive epoxydiyne. We present here a new method for the preparation of epoxydiynes by the addition of an allenyl zinc bromide to a propargylic ketone.
Fernando Ferreira et al.
Nucleosides, nucleotides & nucleic acids, 24(5-7), 1009-1013 (2005-10-27)
An oligonucleotide protected with N-(trimethylsilyloxycarbonyl) (Teoc) and P-(trimethylsilylethanol) (Tse) groups was synthesized and deprotected by a single ZnBr2 treatment. Finally it was released from the solid support by cleavage of a disulfide linkage with TCEP. The olgonucleotide was obtained without
Biswajit Kalita et al.
Chemical communications (Cambridge, England), (36)(36), 4291-4293 (2008-09-20)
Benzylic and allylic hydrocarbons are selectively converted to the corresponding sulfonamides by a ZnBr2-H2O-catalyzed reaction with PhI=NTs; saturated adamantane is aminosulfonated at the tertiary C-H bond.
Yu Sung Chun et al.
Organic letters, 11(15), 3414-3417 (2009-07-04)
The in situ generated Blaise reaction intermediate, a zinc bromide complex of beta-enaminoester, reacts with various unactivated terminal alkynes and an internal alkyne under mild conditions to afford alpha-vinylated beta-enaminoesters in good to excellent yields.
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