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209988

Sigma-Aldrich

Zinc

dust, <10 μm, ≥98%

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)

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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56514896454215481
Zinc dust, &lt;10&#160;&#956;m, &#8805;98%

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Zinc

form

dust

form

granular

form

powder

form

mossy

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

bp

907 °C (lit.)

bp

907 °C (lit.)

bp

907 °C (lit.)

bp

907 °C (lit.)

mp

420 °C (lit.)

mp

420 °C (lit.)

mp

420 °C (lit.)

mp

420 °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.)

density

7.133 g/mL at 25 °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

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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