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3-Hydroxy-1-phenyl-1,2,4-triazole

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3-Hydroxy-1-phenyl-1,2,4-triazole Basic information

Product Name:
3-Hydroxy-1-phenyl-1,2,4-triazole
Synonyms:
  • 1,2-dihydro-1-phenyl-3H-1,2,4-triazol-3-one
  • BUTTPARK 62\07-51
  • 1-PHENYL-1,2,4-TRIAZOL-3-OL
  • 1-PHENYL-1H-1,2,4-TRIAZOL-3-OL
  • 1-PHENYL-3-HYDROXY-1,2,4-TRIAZOLE
  • 3-Hydroxy-1-Phenyl-1H-1,2,4-Triazole
  • 1-Phenyl-2H-1,2,4-triazol-3-one
  • 3-Hydroxy-1-phenyl-1,2,4-triazole
CAS:
4231-68-9
MF:
C8H7N3O
MW:
161.16
EINECS:
224-187-5
Mol File:
4231-68-9.mol
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3-Hydroxy-1-phenyl-1,2,4-triazole Chemical Properties

Melting point:
277-280
Density 
1.32±0.1 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
9.13±0.20(Predicted)
CAS DataBase Reference
4231-68-9(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
HazardClass 
IRRITANT
HS Code 
2933998090
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3-Hydroxy-1-phenyl-1,2,4-triazole Usage And Synthesis

Chemical Properties

light yellow crystal, mp284~286℃, soluble in dimethylformamide, slightly soluble in water.

Uses

1-Phenyl-3-hydroxy-1,2,4-triazole is an intermediate of the organophosphorus insecticide triazophos.

Definition

ChEBI: 1-phenyl-1H-1,2,4-triazol-3-ol is a member of triazoles and a heteroaryl hydroxy compound. It is a tautomer of a 1-phenyl-1,2-dihydro-3H-1,2,4-triazol-3-one. It derives from a hydride of a 1-phenyl-1H-1,2,4-triazole.

Synthesis

3-Hydroxy-1-phenyl-1,2,4-triazole was prepared by reacting Phenylhydrazine, urea and formic acid through condensation and cyclization reactions.

3-Hydroxy-1-phenyl-1,2,4-triazole Preparation Products And Raw materials

Raw materials

3-Hydroxy-1-phenyl-1,2,4-triazoleSupplier

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