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4,4'-Oxydianiline(Sublimation method)



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

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.

PackingInner 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




White bulk or powder(yellow or light grey is allowed)



Melting point


Volatile matter


Metal ions


Ca (mg/kg)          < 2.0

Cu (mg/kg)          < 2.0

Fe (mg/kg)          < 2.0

K    (mg/kg)           < 2.0

Na(mg/kg)          < 2.0