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209988

Sigma-Aldrich

Zinc

dust, <10 μm, ≥98%

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Synonym(s):
Zn
Empirical Formula (Hill Notation):
Zn
CAS Number:
Molecular Weight:
65.39
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

1 mmHg ( 487 °C)

Quality Level

assay

≥98%

form

dust

reaction suitability

core: zinc
reagent type: catalyst

resistivity

5.8 μΩ-cm, 20°C

particle size

<10 μm

bp

907 °C (lit.)

mp

420 °C (lit.)

density

7.133 g/mL at 25 °C (lit.)

SMILES string

[Zn]

InChI

1S/Zn

InChI key

HCHKCACWOHOZIP-UHFFFAOYSA-N

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1 of 4

This Item
96454215481266353
Zinc dust, &lt;10&#160;&#956;m, &#8805;98%

209988

Zinc

Zinc purum, powder

96454

Zinc

Zinc mossy, &#8805;99%

215481

Zinc

Zinc pieces, 2-14&#160;mesh, 99.9% trace metals basis

266353

Zinc

reaction suitability

core: zinc, reagent type: catalyst

reaction suitability

core: zinc, reagent type: catalyst

reaction suitability

core: zinc, reagent type: catalyst

reaction suitability

core: zinc, reagent type: catalyst

form

dust

form

powder

form

mossy

form

pieces

density

7.133 g/mL at 25 °C (lit.)

density

7.133 g/mL at 25 °C (lit.)

density

7.133 g/mL at 25 °C (lit.)

density

7.133 g/mL at 25 °C (lit.)

mp

420 °C (lit.)

mp

420 °C (lit.)

mp

420 °C (lit.)

mp

420 °C (lit.)

bp

907 °C (lit.)

bp

907 °C (lit.)

bp

907 °C (lit.)

bp

907 °C (lit.)

General description

Zinc is an inexpensive, readily available versatile reagent in organic reactions and is commonly used as a reducing agent in organic synthesis. Zinc dust is used to reduce carbonyls, carbon-halide bonds, carbon-oxygen bonds, alkynes, and heteroatom bonds such as N-N and N-O bonds. It is also used to prepare various organozinc reagents. Additionally, Zinc has been used in several well-known named reactions, like the Reformatsky reaction, the Knorr pyrrole synthesis, the Serini reaction, and the Simmons-Smith cyclopropanation.

Application

Reducing agent; used for preparation of organozinc reagents, Reformatsky reagents, and the Simmons-Smith reagent (cyclopropanation).

Zinc is also used as a:

  • Reductant in the hydrothermal CO2 reduction to formic acid in batch reactors.
  • Catalyst in the synthesis of propargylamines by one pot, three component coupling of aldehydes, amines and alkynes in acetonitrile.

pictograms

Environment

signalword

Warning

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


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