211273

Sigma-Aldrich

Zinc chloride

ACS reagent, ≥97%

Synonym(s):
Dichlorozinc
Linear Formula:
ZnCl2
CAS Number:
Molecular Weight:
136.30
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent

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).

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. The activation of sugar cane bagasse with zinc chloride forms activated carbons for use as supercapacitor electrodes.
ZnCl2 may be employed as a catalyst in the preparation of carbonyl-methylene condensation products and poly(propylene fumarate).

Packaging

250 g in poly bottle
1 kg in poly bottle

Legal Information

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

Signal Word

Danger

Hazard Statements

RIDADR

UN 2331 8 / PGIII

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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)
Zinc chloride as a new catalyst for Knoevenagel condensation.
Shanthan RP and Venkataratnam RV.
Tetrahedron Letters, 32(41), 5821-5822 (1991)
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...
Mayank Anand Gururani et al.
Plant science : an international journal of experimental plant biology, 198, 7-16 (2012-12-04)
Manganese stabilizing protein (MSP) is an important component of the Photosystem II (PSII) oxygen evolving complex. In our previous work, transgenic potato plants with reduced expression of MSP (MSP-As) were developed and their physiological and biochemical responses were studied. In...

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