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211273

Sigma-Aldrich

Zinc chloride

ACS reagent, ≥97%

Synonym(s):

Dichlorozinc

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250 G
$94.40
1 KG
$361.00

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:
329752086
NACRES:
NA.21
assay:
≥97%
grade:
ACS reagent
form:
crystalline powder
powder, crystals or chunks

$94.40

List Price$118.00Save 20%
Web-Only Promotion

Available to ship onApril 29, 2025Details

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grade

ACS reagent

Quality Level

200

vapor pressure

1 mmHg ( 428 °C)

assay

≥97%

form

crystalline powder
powder, crystals or chunks

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 in combination with 1-ethyl-3-methylimidazolium chloride comprises a molten salt, which is employed in the electrodeposition studies of zinc on various substrates (glassy carbon and nickel).[1]

Application

Zinc chloride may be used as a catalyst for the Knoevenagel condensation of aromatic aldehydes with substituted acetonitriles to form carbonyl-methylene products under solvent-free conditions.[2] The activation of sugar cane bagasse with zinc chloride forms activated carbons for use as supercapacitor electrodes.[3]
ZnCl2 may be employed as a catalyst in the preparation of carbonyl-methylene condensation products[2] and poly(propylene fumarate).[4]

Other Notes

Go to Redi-Dri™ Product Listing 746355

Legal Information

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

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Danger

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

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX4009
0000307972
MKCW6561
MKCV8675
CDBG5212

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Microstructure and electrochemical double-layer capacitance of carbon electrodes prepared by zinc chloride activation of sugar cane bagasse.
Rufford TE, et al.
Journal of Power Sources, 195(3), 912-918 (2010)
Electrodeposition of zinc from a Lewis acidic zinc chloride-1-ethyl-3-methylimidazolium chloride molten salt.
Lin Y-F and Sun I.
Electrochimica Acta, 44(16), 2771-2777 (1999)
Albert K Shung et al.
Journal of biomaterials science. Polymer edition, 13(1), 95-108 (2002-05-11)
Diethyl fumarate and propylene glycol were reacted in the presence of a zinc chloride catalyst to synthesize poly(propylene fumarate) (PPF) over a period of 12 hours. The kinetics of the transesterification polymerization at 130 degrees C, 150 degrees C, and
Zinc chloride as a new catalyst for Knoevenagel condensation.
Shanthan RP and Venkataratnam RV.
Tetrahedron Letters, 32(41), 5821-5822 (1991)
İbrahim Gülseren et al.
Food chemistry, 135(2), 770-774 (2012-08-08)
Whey protein isolate (WPI) nanoparticles were prepared using ethanol desolvation, and their capacity to incorporate ZnCl(2) was analysed. Desolvation was carried out at pH 9 and the volume of added ethanol was 0-3 times the volume of protein solution. The
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