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356018

Sigma-Aldrich

Zinc

foil, thickness 0.25 mm, 99.9% trace metals basis

Synonym(s):
Zn
Empirical Formula (Hill Notation):
Zn
CAS Number:
Molecular Weight:
65.39
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.22

pressão de vapor

1 mmHg ( 487 °C)

Nível de qualidade

teor

99.9% trace metals basis

forma

foil

reaction suitability

core: zinc
reagent type: catalyst

resistividade

5.8 μΩ-cm, 20°C

espessura

0.25 mm

pb

907 °C (lit.)

pf

420 °C (lit.)

densidade

7.133 g/mL at 25 °C (lit.)

SMILES string

[Zn]

InChI

1S/Zn

InChI key

HCHKCACWOHOZIP-UHFFFAOYSA-N

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1.087741.087821.08780
Zinc foil, thickness 0.25 mm, 99.9% trace metals basis

Sigma-Aldrich

356018

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Supelco

1.08774

Zinc

Zinc sticks

Supelco

1.08782

Zinc

Zinc granular for analysis, particle size about 3-8 mm EMSURE® ISO

Supelco

1.08780

Zinc

assay

99.9% trace metals basis

assay

≥95% metallic Zn basis (manganometric), ≥97.0% Zn basis (complexometric)

assay

≥99.9% (complexometric)

assay

≥99.9% (complexometric)

form

foil

form

powder

form

sticks

form

granular

reaction suitability

core: zinc, reagent type: catalyst

reaction suitability

-

reaction suitability

-

reaction suitability

-

bp

907 °C (lit.)

bp

908 °C/1013 hPa

bp

-

bp

906 °C/1013 hPa

mp

420 °C (lit.)

mp

420 °C

mp

-

mp

419 °C

density

7.133 g/mL at 25 °C (lit.)

density

7.14 g/cm3 at 20 °C

density

-

density

7.13 g/cm3 at 20 °C

Aplicação

Zinc can be used as a catalyst:
  • For the reduction of nitrobenzenes to aniline derivatives in the presence of ammonium chloride.
  • To synthesize β-hydroxy esters using ketones and α-bromoacetates via Reformatsky reaction.
  • For the transesterification of ethyl acetate and benzyl alcohol to synthesize benzyl acetate in the presence of imidazole.

Quantidade

  • 50 × 50 mm (approximately 4.5 g)
  • 100 × 100 mm (approximately 18 g)

Código de classe de armazenamento

13 - Non Combustible Solids

WGK

WGK 3

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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