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N-(2-Hydroxyethyl)ethylenediaminetriacetic acid

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N-(2-Hydroxyethyl)ethylenediaminetriacetic acid Basic information
N-(2-Hydroxyethyl)ethylenediaminetriacetic acid Chemical Properties
  • Melting point:212 °C (dec.)(lit.)
  • Boiling point:421.08°C (rough estimate)
  • Density 1.3300 (rough estimate)
  • refractive index 1.4550 (estimate)
  • storage temp. Inert atmosphere,Room Temperature
  • solubility 3  M NaOH: 0.1 M, clear, colorless
  • pkapK1:2.39;pK2:5.37;pK3:9.93 (25°C)
  • Water Solubility soluble
  • BRN 1804795
  • CAS DataBase Reference150-39-0(CAS DataBase Reference)
  • EPA Substance Registry System(2-Hydroxyethyl)ethylenediaminetriacetic acid (150-39-0)
Safety Information
MSDS
N-(2-Hydroxyethyl)ethylenediaminetriacetic acid Usage And Synthesis
  • Chemical PropertiesCrystalline
  • UsesChelating compound.
  • Purification MethodsCrystallise HEDTA from warm H2O, after filtering, by addition of 95% EtOH and allowing to cool. The crystals, collected on a sintered-glass funnel, are washed three times with cold absolute EtOH, then again crystallised from H2O. After leaching with cold H2O, the crystals are dried at 100o under vacuum. [Spedding et al. J Am Chem Soc 78 34 1956, Beilstein 4 IV 2449.]
N-(2-Hydroxyethyl)ethylenediaminetriacetic acid(150-39-0)Related Product Information
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