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Key Documents

CF0037

Sigma-Aldrich

Pentafluoroethyl azide

0.15 M in THF

Synonym(s):

1-​Azido-​1,​1,​2,​2,​2-​pentafluoro-ethane, Azidopentafluoroethane

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About This Item

Empirical Formula (Hill Notation):
C2F5N3
CAS Number:
2055167-74-1
Molecular Weight:
161.03
UNSPSC Code:
12352125
NACRES:
NA.06

Quality Level

100

concentration

0.15 M in THF

SMILES string

FC(N=[N+]=[N-])(C(F)(F)F)F

InChI

1S/C2F5N3/c3-1(4,5)2(6,7)9-10-8

InChI key

YMKCLASCLZKEFR-UHFFFAOYSA-N

Related Categories

General description

Pentafluoroethyl azide is a fluoroalkyl azide reagent active in copper-catalyzed azide-alkyne cycloaddition (click reaction). The usage of this and other perfluoroalkyl reagents in this family allows for the previously challenging inclusion of fluorinated species as building blocks for click reactions.

Learn more about fluorinated click chemistry

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Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH019

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-6.2 °F

Flash Point(C)

-21.2 °C

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