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1,2,4-Triazole

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1,2,4-Triazole Basic information
1,2,4-Triazole Chemical Properties
  • Melting point:119-121 °C(lit.)
  • Boiling point:260 °C(lit.)
  • Density 1.15 g/cm3 (130℃)
  • refractive index 1.4854 (estimate)
  • Flash point:140 °C
  • storage temp. Store at 0-5°C
  • solubility 547g/l
  • pka2.27(at 20℃)
  • form Crystalline Powder and Flakes
  • color White
  • PH8 (10g/l, H2O, 20℃)
  • Water Solubility 1250 g/L (20 ºC)
  • Merck 14,9605
  • BRN 104767
  • InChIKeyNSPMIYGKQJPBQR-UHFFFAOYSA-N
  • CAS DataBase Reference288-88-0(CAS DataBase Reference)
  • NIST Chemistry Reference1H-1,2,4-Triazole(288-88-0)
  • EPA Substance Registry System1,2,4-Triazole (288-88-0)
Safety Information
  • Hazard Codes Xn,Xi,C
  • Risk Statements 22-36-63-34
  • Safety Statements 36/37-45-36/37/39-27-26
  • WGK Germany 2
  • RTECS XZ3806000
  • Hazard Note Irritant
  • TSCA Yes
  • HS Code 29339990
  • ToxicityLD50 orally in Rabbit: 1650 mg/kg LD50 dermal Rabbit 3129 - 4200 mg/kg
MSDS
1,2,4-Triazole Usage And Synthesis
  • Chemical Propertieswhite crystalline powder and flakes
  • DefinitionA heterocyclic organic compound with a five-membered ring containing two carbon atoms and three nitrogen atoms. There are two isomers.
  • Purification MethodsCrystallise 1,2,4-triazole from EtOH, H2O, EtOAc (m 120.5-121o), or EtOH/*C6H6. The hydrochloride has m 170o, and the picrate has m 163-164o (from H2O or CHCl3). [Barszcz et al. J Chem Soc, Dalton Trans 2025 1986]. [Beilstein 26 H 13, 26 II 6, 26 III/IV 35.]
1,2,4-Triazole Preparation Products And Raw materials
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