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746355

Sigma-Aldrich

Zinc chloride

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥97%

Synonym(s):

Dichlorozinc

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About This Item

Linear Formula:
ZnCl2
CAS Number:
Molecular Weight:
136.30
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent
anhydrous

Quality Level

vapor pressure

1 mmHg ( 428 °C)

product line

Redi-Dri

Assay

≥97%

form

powder, crystals or granules

quality

free-flowing

reaction suitability

reagent type: catalyst
core: zinc

impurities

Oxychloride, passes test
≤0.005% insolubles

pH

5 (20 °C, 100 g/L)

mp

293 °C (lit.)

anion traces

nitrate (NO3-): ≤0.003%
sulfate (SO42-): ≤0.01%

cation traces

Ca: ≤0.06%
Fe: ≤0.001%
K: ≤0.02%
Mg: ≤0.01%
NH4+: ≤0.005%
Na: ≤0.05%
Pb: ≤0.005%

SMILES string

[Cl-].[Cl-].[Zn++]

InChI

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

InChI key

JIAARYAFYJHUJI-UHFFFAOYSA-L

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General description

Zinc chloride (ZnCl2) is an inorganic compound that is commonly used as a reagent in chemical synthesis. It is used as a mild Lewis acid catalyst in cycloaddition, substitution, electrophilic aromatic additions, and selective reduction reactions. ZnCl2 is also a useful starting material for the synthesis of many organozinc reagents via transmetalation reaction.

Application

Zinc chloride can be used as:     
  • A catalyst to synthesize 5-substituted 1H-tetrazoles by [3 + 2] cycloaddition reaction of organic nitriles with sodium azide.      
  • A reagent to promote the hydrolysis of NaBH4 for the generation of hydrogen.      
  • A reagent for the activation of carbon materials.

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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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Guiran Xiao et al.
Cell reports, 26(3), 748-758 (2019-01-17)
Iron metabolism is an essential process that when dysregulated causes disease. Mammalian serum transferrin (TF) plays a primary role in delivering iron to cells. To improve our understanding of the conservation of iron metabolism between species, we investigate here the
E Hjortsø et al.
Intensive care medicine, 14(1), 17-24 (1988-01-01)
Five soldiers were injured by inhalation of hexite smoke (ZnCl2) during military training. Two soldiers, not wearing gas masks breathed hexite for 1 or 2 min, they slowly developed severe adult respiratory distress syndrome (ARDS) over the ensuing 2 weeks.
Use of unlicensed black salve for cutaneous malignancy.
Natalie C Ong et al.
The Medical journal of Australia, 200(6), 314-314 (2014-04-08)
Dadong Guo et al.
Archives of biochemistry and biophysics, 560, 44-51 (2014-07-23)
Zinc (Zn), the second abundant trace element in living organisms, plays an important role in regulating cell metabolism, signaling, proliferation, gene expression and apoptosis. Meanwhile, the overload of Zn will disrupt the intracellular calcium homeostasis via impairing mitochondrial function. However
Aaron Wey et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 32(6), 834-841 (2014-02-28)
This study evaluated the effect of local zinc chloride (ZnCl2 ), an insulin mimetic agent, upon the early and late parameters of fracture healing in rats using a standard femur fracture model. Mechanical testing, radiographic scoring, histomorphometry, qualitative histological scoring

Articles

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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