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Diethyl azodicarboxylate

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Diethyl azodicarboxylate Basic information
Diethyl azodicarboxylate Chemical Properties
  • Melting point:6°C
  • Boiling point:106°C (13 mmHg)
  • Density 1.106
  • refractive index n20/D 1.47
  • Flash point:85°C
  • storage temp. 2-8°C
  • solubility Miscible with dichloromethane, diethyl ether and toluene.
  • Sensitive Air Sensitive
  • BRN 908662
  • Stability:Stable, but may explode if heated under confinement. May be shock sensitive. Decomposes vigorously if heated above 100 C. Incompatible with strong acids, strong bases, strong oxidizing agents, strong reducing agents. Light sensitive.
  • CAS DataBase Reference1972-28-7(CAS DataBase Reference)
  • NIST Chemistry ReferenceDiethyl azo diformate(1972-28-7)
Safety Information
Diethyl azodicarboxylate Usage And Synthesis
  • Chemical PropertiesClear orange to orange-red liquid
  • UsesA fluorescent CDK inhibitor for treatment of cancer
  • Purification MethodsDissolve DEAD in toluene, wash it with 10% NaHCO3 till neutral (may require several washes if too much hydrolysis had occurred: check IR for OH bands), then wash with H2O (2x), dry over Na2SO4, filter, evaporate the toluene and distil it through a short Vigreux column (p 11) at as high a vacuum as possible. The main portion boils at 107-111o/15mm. Since it is likely to explode, use an oil bath for heating the still and all operations should be carried -out behind an adequate shield. [Rabjohn Org Synth Coll Vol III 375 1955, see Kauer Org Synth Coll Vol IV 412 1963]. [Beilstein 3 III 233.] It is commercially available as a 40% solution in toluene. This reagent is useful in the Mitsunobu reaction [Mitsunobu Synthesis 1 1981, Gennari et al. J Am Chem Soc 108 6394 1986, Evans et al. J Am Chem Soc 108 6394 1986, Hughes Org React 42 335 1992, Dodge et al. Org Synth 73 110 1996, Hughes Org Prep Proc Int 28 127 1996, Ferguson & Marcelle J Am Chem Soc 128 4576 2006; see also di-tert-butyl azodicarboxylate above and DIAD below]. § A polystyrene supported DEAD version is commercially available with a loading of ~1.2mmol/g.
Diethyl azodicarboxylate Preparation Products And Raw materials
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