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451398

Sigma-Aldrich

Zinc bromide

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

Synonym(s):

Zinc dibromide

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5 G
¥781.52
25 G
¥2,627.77

¥781.52

Estimated to ship on2025年9月10日Details

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5 G
¥781.52
25 G
¥2,627.77

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
grade:
synthesis grade
solubility:
diethyl ether: slightly soluble(lit.)
ethanol: very soluble(lit.)

¥781.52

Estimated to ship on2025年9月10日Details

Request a Bulk Order

grade

synthesis grade

Quality Level

100

product line

AnhydroBeads™

Assay

99.999% trace metals basis

reaction suitability

core: zinc
reagent type: catalyst

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.)

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This Item
429430217891229997
溴化锌 AnhydroBeads™, −10 mesh, 99.999% trace metals basis

451398

溴化锌

氯化锌 anhydrous, powder, ≥99.995% trace metals basis

429430

氯化锌

溴化镍 98%

217891

溴化镍

氯化锌 99.999% trace metals basis

229997

氯化锌

assay

99.999% trace metals basis

assay

≥99.995% trace metals basis

assay

98%

assay

99.999% trace metals basis

solubility

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

solubility

acetone: slightly soluble(lit.), ethanol: slightly soluble(lit.)

solubility

H2O: slightly soluble(lit.), ethanol: slightly soluble(lit.)

solubility

H2O: very soluble(lit.), acetone: slightly soluble(lit.), ethanol: slightly soluble(lit.)

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤50.0 ppm Trace Metal Analysis

impurities

-

impurities

≤15.0 ppm Trace Metal Analysis

mp

394 °C (lit.)

mp

293 °C (lit.)

mp

963 °C (lit.)

mp

293 °C (lit.)

product line

AnhydroBeads™

product line

-

product line

-

product line

-

reaction suitability

reagent type: catalyst
core: zinc

reaction suitability

-

reaction suitability

reagent type: catalyst
core: nickel

reaction suitability

reagent type: catalyst
core: zinc

Application

Optimal catalyst for stereospecific and regioselective reaction of silacyclopropanes with carbonyl compounds.[1]

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
  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    0000461367
    0000461365
    0000461365
    0000461367
    0000212218

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    Franz, A.K. Woerpel, K.A.
    Journal of the American Chemical Society, 121, 949-949 (1999)
    Teiichi Murakami et al.
    Carbohydrate research, 343(8), 1297-1308 (2008-04-15)
    Reactions of O-benzoylated glucopyranosyl halide (I, Br), isolated or generated in situ from per-benzoylated glucose (8a) and trimethylsilyl halide, with various alcohols were efficiently promoted by zinc halide (Cl, Br) or N-bromosuccinimide with a catalytic ZnI(2) to give the corresponding
    Daniela Andrei et al.
    The Journal of organic chemistry, 71(1), 405-408 (2006-01-04)
    [reaction: see text] The 1-fluoro-1-haloalkenes undergo Pd-catalyzed Negishi cross-couplings with primary alkylzinc bromides to give multisubstituted fluoroalkenes. The alkylation was trans-selective giving pure Z-fluoroalkenes in most cases. The highest yields were obtained with Pd2(dba)3 and PdCl2(dppb) catalysts but the best
    Ramesh Kaul et al.
    The Journal of organic chemistry, 69(18), 6131-6133 (2004-09-18)
    Chemoselective hydrolysis of tert-butyl esters in the presence of other acid-labile groups has been explored by employing alpha-amino esters and ZnBr(2) in DCM. Although N-Boc and N-trityl groups were found to be labile, PhF protected amines were compatible with these
    Isabelle Aillaud et al.
    Molecules (Basel, Switzerland), 15(11), 8144-8155 (2010-11-13)
    A methodological study devoted to the Mannich-like multicomponent synthesis of the antiplatelet agent (±)‑clopidogrel (7) and the ethyl ester analogue 6 is described. The process involves the formation of 2-chlorophenyl zinc bromide (2) and its subsequent reaction with an alkyl
    View All Related Papers

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