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Triethylenediamine

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Triethylenediamine Basic information
Triethylenediamine Chemical Properties
  • Melting point:156-159 °C(lit.)
  • Boiling point:174 °C
  • Density 1.02 g/mL
  • vapor pressure 2.9 mm Hg ( 50 °C)
  • refractive index n20/D 1.4634(lit.)
  • Flash point:198 °F
  • storage temp. 2-8°C
  • solubility 400g/l
  • pka3.0, 8.7(at 25℃)
  • form Hygroscopic Crystals
  • color White to pale yellow
  • Water Solubility 46 g/100 mL (26 ºC)
  • Sensitive Hygroscopic
  • Merck 14,9669
  • BRN 103618
  • Stability:Stable, but very hygroscopic. Incompatible with strong oxidizing agents, strong acids. Highly flammable.
  • CAS DataBase Reference280-57-9(CAS DataBase Reference)
  • NIST Chemistry ReferenceTriethylenediamine(280-57-9)
  • EPA Substance Registry System1,4-Diazabicyclo[2.2.2]octane (280-57-9)
Safety Information
MSDS
Triethylenediamine Usage And Synthesis
  • Chemical Propertieswhite crystalline powder
  • UsesAn anti-fade reagent shown to scavenge free-radicals due to flurochrome excitation.
  • HazardSkin irritant.
  • Purification MethodsDABCO crystallises from 95% EtOH, pet ether or MeOH/diethyl ether (1:1). Dry it under vacuum over CaCl2 and BaO. It can be sublimed in vacuo, and readily at room temperature. It has also been purified by removal of water during azeotropic distillation of a *benzene solution. It is then recrystallised twice from anhydrous diethyl ether under argon, and stored under argon [Blackstock et al. J Org Chem 52 1451 1987]. [Beilstein 23/3 V 487.]
Triethylenediamine Preparation Products And Raw materials
Triethylenediamine(280-57-9)Related Product Information
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