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31650

Sigma-Aldrich

Zinc chloride

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥98%

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
puriss. p.a.

Quality Level

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

vapor pressure

1 mmHg ( 428 °C)

Assay

≥98%

form

crystalline powder

impurities

≤0.002% total nitrogen (N)
≤0.005% insoluble in HCl
≤1.2% oxide chloride (as ZnO)

pH

4.6-5.5 (20 °C, 10%)

mp

293 °C (lit.)

anion traces

sulfate (SO42-): ≤20 mg/kg

cation traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Cu: ≤10 mg/kg
Fe: ≤5 mg/kg
K: ≤0.02%
Mg: ≤10 mg/kg
Na: ≤0.05%
Pb: ≤10 mg/kg

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.

Application

Zinc Chloride may be employed as a catalyst in Knoevenagel condensation of carbonyl compounds with active methylene group containing reagents. It may be used in the preparation of porous carbon nanofibers, useful in the fabrication of efficient electrodes for supercapacitors. It may be used as a catalyst in the preparation of poly(propylene fumarate).

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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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)
Self-Sustained Thin Webs Consisting of Porous Carbon Nanofibers for Supercapacitors via the Electrospinning of Polyacrylonitrile Solutions Containing Zinc
Kim C, et al.
Advanced Mat., 19(17), 2341-2346 (2007)
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
Molouk Beiromvand et al.
Preventive veterinary medicine, 109(1-2), 162-167 (2012-10-10)
Certain zoonotic parasites are enteropathogens in dogs that cause serious human disease such as cystic echinococcosis, human alveolar echinococcosis, visceral larva migrans, and ocular larva migrans. This study investigated the prevalence of intestinal parasites in dogs in the Chenaran County

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