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  • Product Name:   Di-tert-Butyl azodicarboxylate
  • Synonyms:   Di-tert-Butyl azodic;DI-TERT-BUTYL AZODICARBOXYALTE;Di-tert-butyl diazene-1,2-dicarboxylate;Di-(tert-butyl) diazene-1,2-dicarboxylate 98%;Bis(1,1-dimethylethyl)azodicarboxylate
  • CAS No.:   870-50-8
  • Molecular Formula:   C10H18N2O4
  • Molecular Weight :   230.26
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of Di-tert-Butyl azodicarboxylate

Di-tert-Butyl azodicarboxylate Chemical Properties

Melting point  89-92 °C(lit.)

storage temp.  2-8°C

form  Crystals or Crystalline Powder

color  Yellow

Water Solubility  Insoluble

Sensitive  Light Sensitive

BRN  1911434

CAS DataBase Reference 870-50-8(CAS DataBase Reference)

Safety Information

Hazard Codes  Xi,F

Risk Statements  36/37/38-11

Safety Statements  26-36-37/39-16

RIDADR  1325

WGK Germany  3

Hazard Note  Irritant

HazardClass  3

PackingGroup  II

Di-tert-Butyl azodicarboxylate Usage And Synthesis

Chemical Properties yellow crystals or crystalline powder

Purification Methods The tert-butyl ester has the advantage over the ethyl ester (below) in being a solid and more acid labile. It crystallises from ligroin and is best purified by covering the dry solid (22g) with pet ether (b 30-60o, 35-40 mL) heating to boiling and adding ligroin (b 60-90o) until the solid dissolves. On cooling, large lemon yellow crystals of the ester separate (~ 20g), m 90.7-92o. Evaporation of the filtrate gives a further crop of crystals [Carpino & Crowley Org Synth 44 18 1964]. 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 DEAD and DIAD below].

Di-tert-Butyl azodicarboxylate Preparation Products And Raw materials

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