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Key Documents

T46108

Sigma-Aldrich

1,2,4-Triazole

98%

Synonym(s):

3,4-Diazapyrrole, 4H-1,2,4-Triazole, s-Triazole (8CI)

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About This Item

Empirical Formula (Hill Notation):
C2H3N3
CAS Number:
Molecular Weight:
69.07
Beilstein/REAXYS Number:
104767
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

bp

260 °C (lit.)

mp

119-121 °C (lit.)

SMILES string

c1nc[nH]n1

InChI

1S/C2H3N3/c1-3-2-5-4-1/h1-2H,(H,3,4,5)

InChI key

NSPMIYGKQJPBQR-UHFFFAOYSA-N

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Application

1,2,4-triazole and its derivatives are important structural moieties of many pharmaceutical drugs. Triazoles can also act as ligands to form coordination complexes with transition metal ions. Due to their electron-deficient nature, they exhibit excellent electron-transport and hole-blocking properties, making them promising organic materials in material science applications.

pictograms

Health hazardExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Repr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 2

flash_point_f

338.0 °F

flash_point_c

170 °C

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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Mononuclear, oligonuclear and polynuclear metal coordination compounds with 1, 2, 4-triazole derivatives as ligands.
Haasnoot JG
Coordination Chemistry Reviews, 200, 131-185 (2000)
Applications of Metal-Free 1, 2, 4-Triazole Derivatives in Materials Science.
Diaz-Ortiz A
Current Organic Chemistry, 19(7), 568-584 (2015)
1, 2, 4-Triazoles: Synthetic approaches and pharmacological importance.
Al-Masoudi IA
Chemistry of Heterocyclic Compounds, 42(11), 1377-1403 (2006)
Min Wang et al.
Chemical communications (Cambridge, England), 49(25), 2572-2574 (2013-02-21)
Enantioselective cyclization of α-isocyano esters with azodicarboxylates catalyzed by Fe(II)-N,N'-dioxide complexes has been developed. Under mild conditions, a variety of 1,2,4-triazoline derivatives was obtained in high yields and enantioselectivities.
Jing-Lin Chen et al.
Inorganic chemistry, 52(17), 9727-9740 (2013-08-22)
A new series of mononuclear copper(I) complexes (1-9) with functionalized 3-(2'-pyridyl)-1,2,4-triazole chelating ligands, as well as the halide and/or phosphine ancillary ligands, have been synthesized. Complexes 1-9 were fully characterized by elemental analysis, NMR spectroscopy, mass spectroscopy, electronic absorption spectroscopy

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