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793523

Sigma-Aldrich

Zinc chloride

anhydrous, free-flowing, Redi-Dri™, reagent grade, ≥98%

Sinónimos:

Dichlorozinc

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About This Item

Fórmula lineal:
ZnCl2
Número de CAS:
7646-85-7
Peso molecular:
136.30
EC Number:
231-592-0
MDL number:
MFCD00011295
UNSPSC Code:
12352302
PubChem Substance ID:
329768082
NACRES:
NA.21

grade

anhydrous
reagent grade

Quality Level

100

vapor pressure

1 mmHg ( 428 °C)

product line

Redi-Dri™

assay

≥98%

form

powder or crystals

quality

free-flowing

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 is a Lewis acid that can be used to promote cycloaddition, substitution, and addition reactions, including electrophilic aromatic additions and selective reductions. It is also used in the preparation of organozinc reagents via transmetalation.

Application

Zinc chloride can be used as a catalyst in the:
  • Chemoselective dimethyl acetalization of aldehydes and ketones with trimethyl orthoformate to synthesize dimethyl acetals.
  • Synthesis of 9-substituted acridines via Bernthsen reaction.
It can also be used as an additive in the preparation of ultrafiltration membranes.

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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