1,2,4-Triazole
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1,2,4-Triazole | |
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General | |
Systematic name | 1H-1,2,4-triazole |
Other names | 1,2,4-triazole pyrrodiazole |
Molecular formula | C2H3N3 |
SMILES | C1=NC=NN1 |
Molar mass | 69.07 g/mol |
Appearance | white solid |
CAS number | [288-88-0] |
Properties | |
Density and phase | ? g/cm³, liquid |
Solubility in water | very sol. |
Melting point | 120-121 °C (? K) |
Boiling point | 260 °C (? K) |
Acidity (pKa) | 2.2 |
Basicity (pKb) | 10.3 |
Hazards | |
MSDS | External MSDS |
Main hazards | ? |
NFPA 704 | |
Flash point | 140 °C |
R/S statement | R: ? S: ? |
RTECS number | ? |
Related compounds | |
Related compounds | 1,2,3-triazole imidazole |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
1,2,4-Triazole is one of a pair of isomeric chemical compounds with molecular formula C2H3N3, called triazoles, which have a five-membered ring of two carbon atoms and three nitrogen atoms. 1,2,4-Triazole is a basic aromatic heterocycle.
1,2,4-Triazoles can be prepared synthetically using the Einhorn-Brunner reaction in which an imide is reacted with an alkyl hydrazine to form a mixture of isomeric 1,2,4-triazoles.
1,2,4-Triazole derivatives find use in a wide variety of applications, most notably as antifungals such as fluconazole and itraconazole.