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208086

Sigma-Aldrich

Zinc chloride

reagent grade, ≥98%

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:
329752037
NACRES:
NA.21

grade

reagent grade

Quality Level

100

vapor pressure

1 mmHg ( 428 °C)

assay

≥98%

form

powder, crystals or chunks

reaction suitability

reagent type: catalyst
core: zinc

pH

5 (20 °C, 100 g/L)

mp

293 °C (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 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 (ZnCl2) has been used as an activation agent during the synthesis of phenolic based chemically activated carbon fibers (CAFs). It may also be employed as a catalyst in the preparation of carbonyl-methylene condensation products and poly(propylene fumarate).
ZnCl2 mayalso 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.

Other Notes

Go to Redi-Dri™ Product Listing 793523

Legal Information

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

signalword

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

wgk_germany

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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Activated carbon fiber composites for gas phase ammonia adsorption
Zheng W, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 234, 146-154 (2016)
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
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