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5-Phenyl-1h-1,2,4-triazol-3-amine

  • Name 5-Phenyl-1h-1,2,4-triazol-3-amine
  • EINECSN/A
  • CAS No. 4922-98-9
  • Density1.315 g/cm3
  • PSA67.59000
  • LogP1.63510
  • SolubilityN/A
  • Melting Point191-193℃
  • FormulaC8H8N4
  • Boiling Point414.4 °C at 760 mmHg
  • Molecular Weight160.178
  • Flash Point233.7 °C
  • Transport InformationN/A
  • AppearanceN/A
  • Safety
  • Risk CodesN/A
  • Molecular Structure
    Molecular Structure of 4922-98-9 (5-PHENYL-1H-1,2,4-TRIAZOL-3-AMINE)
  • Hazard SymbolsIrritantXi
  • SynonymsIrritantXi
  • Article Data17

5-Phenyl-1h-1,2,4-triazol-3-amine Chemical Properties

MF: C8H8N4
MW: 160.18  
Density: 1.315 g/cm3 
Flash Point: 233.7 °C
Index of Refraction: 1.673
Enthalpy of Vaporization: 66.73 kJ/mol 
Boiling Point: 414.4 °C at 760 mmHg 
Vapour Pressure: 4.48E-07 mmHg at 25°C
IUPAC Name: 5-phenyl-1H-1,2,4-triazol-3-amine
Synonyms: 3-Amino-5-phenyl-1,2,4-triazole ; 5-Phenyl-1h-1,2,4-triazol-3-amine ; 2-Fenil-5-amino-1,3,4-triazolo ; 3-Amino-5-phenyl-1h-1,2,4-triazole ; 4-triazol-3-amine,5-phenyl-1h-2
Following is the molecular structure of 3-Amino-5-phenyl-1,2,4-triazole (CAS NO.4922-98-9):

5-Phenyl-1h-1,2,4-triazol-3-amine Toxicity Data With Reference

 The toxicity of 3-Amino-5-phenyl-1,2,4-triazole (CAS NO.4922-98-9):

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 397mg/kg (397mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: TREMOR

BEHAVIORAL: MUSCLE WEAKNESS
Farmaco, Edizione Scientifica. Vol. 13, Pg. 629, 1958.
rat LD05 intraperitoneal 150mg/kg (150mg/kg)   Journal of Medicinal Chemistry. Vol. 9, Pg. 42, 1966.

5-Phenyl-1h-1,2,4-triazol-3-amine Safety Profile

Reaction with nitrous acid gives a touch sensitive explosive product. Upon decomposition it emits toxic fumes of NOx.
Safety Information
Hazard Codes: Xi iIrritant

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