4,4'-Oxydianiline(Sublimation method)

4,4'-Oxydianiline

Chemical Name: 4,4'-Oxydianiline （Recrystallization method ）

Other Name: 4,4'-diamino diphenyl ether

Molecular formula : C₁₂H₁₂N₂O
Molecular weight :200.24
CAS : 101-80-4
EINECS:202-977-0

Appearance: Colourless powder or granule(yellow or light grey is allowed).Itcan dissolve in part of organic solvent,slightly dissolve in ethyl alcohol and diluted hydrochloric acid,insoluble in water.

Application of 4 4'-Oxydianiline

1. It is one of the important raw material in synthesizing monomers of polyimide resin.

2. It is also used for raw material and cross-linking agent of high-performance epoxy resin.

3. Meanwhile,it is used to replace carcinogen benzidine in producing azo dyes,reactive dyes and perfume etc. 

Packing: Inner packing is vacuum package with aluminum film bag;outer packing is carton or fiber can,or order by customer.

According to the production process, different products are divided into sublimation and recrystallization products

Quality standard of Recrystallization method