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Merck

740411

Sigma-Aldrich

Potassium azide

≥99.9% trace metals basis

Sinónimos:

Azidopotassium

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About This Item

Fórmula empírica (notación de Hill):
KN3
Número de CAS:
Peso molecular:
81.12
EC Number:
UNSPSC Code:
12352125
PubChem Substance ID:
NACRES:
NA.22

assay

≥99.9% trace metals basis

form

solid

mp

~300 °C (decomposition)

SMILES string

[K+].[N-]=[N+]=[N-]

InChI

1S/K.N3/c;1-3-2/q+1;-1

InChI key

TZLVRPLSVNESQC-UHFFFAOYSA-N

Application

Potassium azide can be used as a reagent to synthesize:
  • 3-O-(3-Azidoopropyl)estrone from 3-O-(3-methanesulfonyloxypropoxy)estrone via nucleophilic azidation in the presence of imidazolium catalyst.
  • Azido phenacyl derivatives from α-bromoacetophenone derivatives in the presence of tetrabutylammonium bromide as a catalyst.
  • 1-Azido-4-fluorobenzene from potassium (4-fluorophenyl)trifluoroborate in the presence of cupric triflate as a catalyst.

pictograms

Skull and crossbones

signalword

Danger

hcodes

Hazard Classifications

Acute Tox. 2 Oral

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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tert-Alcohol-functionalized imidazolium ionic liquid: catalyst for mild nucleophilic substitution reactions at room temperature
Shinde S, et al.
Tetrahedron Letters, 50, 6654-6657 (2009)
A M Liashchuk et al.
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A highly purified TUL4-CBD chimeric protein was obtained by one stage purification method. TUL4-CBD protein consists of TUL4 Francisella tularensis mature peptide sequence, Gly-Ser spacer and cellulose binding domain (CBD) of Anaerocellum thermophilum. The TUL4-CBD protein was shown to induce
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Copper-mediated functionalization of aryl trifluoroborates
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