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229997

Sigma-Aldrich

Zinc chloride

99.999% trace metals basis

Synonym(s):

Dichlorozinc

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About This Item

Linear Formula:
ZnCl2
CAS Number:
7646-85-7
Molecular Weight:
136.30
EC Number:
231-592-0
MDL number:
MFCD00011295
UNSPSC Code:
12352302
PubChem Substance ID:
24853766
NACRES:
NA.23

vapor pressure

1 Pa ( 305 °C)(lit.)
1 mmHg ( 428 °C)

Assay

99.999% trace metals basis

form

crystals and lumps

reaction suitability

reagent type: catalyst
core: zinc

impurities

≤15.0 ppm Trace Metal Analysis

bp

732 °C (lit.)

mp

293 °C (lit.)

solubility

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

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 is a strongly hygroscopic deliquescentsolid widely used as a Lewis acid catalyst in a variety of organictransformations.

Application

Zinc chloride is used as a catalyst:
  • in Knoevenagel condensation of carbonyl substrates with acidic methylene reagents
  • in solvent-free synthesis of dihydropyrimidinones.
It may be used as chemical activating agents, zinc chloride in particular is the most widely used chemical in the preparation of activated carbon.

Signal Word

Danger

Hazard Statements

H302,H314,H335,H410

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

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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A low cost adsorbent from agricultural waste corn cob by zinc chloride activation
Tsai WT, et al.
Bioresource Technology, 64(3), 211-217 (1998)
A highly efficient solvent-free synthesis of dihydropyrimidinones catalyzed by zinc chloride.
Sun Q, et al.
Synthesis, 07, 1047-1051 (2004)
Zinc chloride as a new catalyst for Knoevenagel condensation.
Shanthan RP and Venkataratnam RV.
Tetrahedron Letters, 32(41), 5821-5822 (1991)
Romaric Magerand et al.
Scientific reports, 11(1), 4528-4528 (2021-02-27)
Deinococcus bacteria are extremely resistant to radiation and other DNA damage- and oxidative stress-generating conditions. An efficient SOS-independent response mechanism inducing expression of several DNA repair genes is essential for this resistance, and is controlled by metalloprotease IrrE that cleaves
Kaushik Nath et al.
Environmental science and pollution research international, 20(6), 4030-4045 (2012-12-06)
Utilization of agrowaste materials for the production of activated carbon, as an excellent adsorbent with large surface area, is well established industrially, for dephenolation of wastewater. In the present work, dried pods of Prosopis cineraria-a novel and low-cost agrowaste material-were
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