Products Categories
CAS No.: | 4231-68-9 |
---|---|
Name: | 3-Hydroxy-1-phenyl-1,2,4-triazole |
Article Data: | 10 |
Molecular Structure: | |
Formula: | C8H7 N3 O |
Molecular Weight: | 161.163 |
Synonyms: | 1H-1,2,4-Triazol-3-ol,1-phenyl- (7CI); D3-1,2,4-Triazolin-5-one,2-phenyl- (8CI); 1-Phenyl-1,2,4-triazol-3-ol; 1-Phenyl-1,2,4-triazole-3-ol;1-Phenyl-3-hydroxy-1,2,4-triazole; 3-Hydroxy-1-phenyl-1,2,4-triazole;3-Hydroxy-1-phenyl-1H-1,2,4-triazole |
EINECS: | 224-187-5 |
Density: | 1.32 g/cm3 |
Melting Point: | 1.32 g/cmºC |
Boiling Point: | 392.2 °C at 760 mmHg |
Flash Point: | 191 °C |
Appearance: | White to pale yellow crystal powder. |
Hazard Symbols: | |
PSA: | 50.94000 |
LogP: | 0.97290 |
orthoformic acid triethyl ester
1-phenylsemicarbazide
3-hydroxy-1-phenyl-1,2,4-1H-triazole
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 16h; steam bath temperature; | 91% |
Conditions | Yield |
---|---|
With formic acid; sulfuric acid; urea In 5,5-dimethyl-1,3-cyclohexadiene |
Conditions | Yield |
---|---|
With formic acid; sulfuric acid; urea In hydrogenchloride; 5,5-dimethyl-1,3-cyclohexadiene |
Conditions | Yield |
---|---|
With formic acid; sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid In water at 90 - 125℃; | |
With sulfuric acid |
Conditions | Yield |
---|---|
Stage #1: phenylhydrazine; urea With hydrogenchloride In water at 135℃; for 4h; Stage #2: formic acid With sulfuric acid at 690℃; for 6h; |
3-hydroxy-1-phenyl-1,2,4-1H-triazole
3-(2-chlorobenzyloxy)-1-phenyl-1H-1,2,4-triazole
Conditions | Yield |
---|---|
Stage #1: 3-hydroxy-1-phenyl-1,2,4-1H-triazole With potassium carbonate In acetonitrile at 65℃; for 0.5h; pH=7.5 - 8.5; Stage #2: 2-chlorobenzyl halide With tetra-(n-butyl)ammonium iodide In acetonitrile at 70 - 75℃; | 89% |
3-hydroxy-1-phenyl-1,2,4-1H-triazole
3-(4-fluorobenzyloxy)-1-phenyl-1H-1,2,4-triazole
Conditions | Yield |
---|---|
Stage #1: 3-hydroxy-1-phenyl-1,2,4-1H-triazole With potassium carbonate In acetonitrile at 65℃; for 0.5h; pH=7.5 - 8.5; Stage #2: 4-fluorobenzyl halide With tetra-(n-butyl)ammonium iodide In acetonitrile at 70 - 75℃; | 89% |
3-hydroxy-1-phenyl-1,2,4-1H-triazole
3-(2,4-difluorobenzyloxy)-1-phenyl-1H-1,2,4-triazole
Conditions | Yield |
---|---|
Stage #1: 3-hydroxy-1-phenyl-1,2,4-1H-triazole With potassium carbonate In acetonitrile at 65℃; for 0.5h; pH=7.5 - 8.5; Stage #2: 2,4-difluorobenzyl halide With tetra-(n-butyl)ammonium iodide In acetonitrile at 70 - 75℃; | 88% |
3-hydroxy-1-phenyl-1,2,4-1H-triazole
3-(3-chlorobenzyloxy)-1-phenyl-1H-1,2,4-triazole
Conditions | Yield |
---|---|
Stage #1: 3-hydroxy-1-phenyl-1,2,4-1H-triazole With potassium carbonate In acetonitrile at 65℃; for 0.5h; pH=7.5 - 8.5; Stage #2: 3-chlorobenzyl halide With tetra-(n-butyl)ammonium iodide In acetonitrile at 70 - 75℃; | 87% |
What can I do for you?
Get Best Price
Empirical Formula: C8H7N3O
Molecular Weight: 161.1607 g/mol
EINECS: 224-187-5
Index of Refraction: 1.665
Density: 1.32 g/cm3
Flash Point: 191 °C
Melting point: 277-280 °C(lit.)
Appearance: Pale yellow crystals
Enthalpy of Vaporization: 66.7 kJ/mol
Boiling Point: 392.2 °C at 760 mmHg
Vapour Pressure: 1.03E-06 mmHg at 25 °C
Solubility: Soluble in dimethylformamide, slightly soluble in waterSensitive: Moisture sensitive
Structure of 3-Hydroxy-1-phenyl-1,2,4-triazole (CAS NO.4231-68-9):
IUPAC Name: 2-Phenyl-1H-1,2,4-triazol-5-one
3-Hydroxy-1-phenyl-1,2,4-triazole (CAS NO.4231-68-9) has been used as a pesticide intermediate of Triazophos .
3-Hydroxy-1-phenyl-1,2,4-triazole (CAS NO.4231-68-9) has been obtained from the reaction of 1 - phenyl semicarbazide and Formic acid , and can also be used phenylhydrazine, urea and formic acid as raw materials by condensation and cyclization reaction to get it.
Hazard Codes: Xi
Hazard Note: Irritant
3-Hydroxy-1-phenyl-1,2,4-triazole , its cas register number is 4231-68-9. It also can be called Phenyltriazolol ; 1-Phenyl-2H-1,2,4-triazol-3-one ; and 1-Phenyl-3-hydroxy-1,2,4-triazole .