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Diphenylphosphoryl azide

 


intro:
Alias: DPPA
CAS#: 26386-88-9
Molecular Formula: C12H10N3O3P       
Molecular Weight275.20
Structural Formula:     
  

1. Properties & Use
colorless or light yellow transparent oily liquid; has hygroscopicity; non-explosive, stable; relative density: 1.277; b.p.: 157℃(0.02kPa); refractive index: 1.5518; flash point>112℃; toxic and irritating; soluble in organic solvents, insoluble in water. Widely used in organic synthesis and medicines.
It is mainly used in organic synthesis, as condensating agent for the synthesis of peptide etc.
2. Quality Spec.
       Item
Details
Appearance
light yellow transparent liquid
Assay %    ≥
95
Color(Pt-Co) %   ≤
5

3. Packing
In plastic drum Packing, 25kg/drum, 100kg/drum, 200kg/drum or upon clients' demand.
It should be closed tight with nitrogen gas at 4℃.


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