4,4'-Oxydianiline (Recrystallization 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
Items | Quality standard |
Appearance | White or pale yellow granule |
Size of particle | 20-80 mesh |
Purity | ≥99.80% |
Moisture | ≤0.05% |
Volatile | ≤0.2% |
Melting point | ≥189.0℃ |
Ash | ≤0.05% |
Light transmittance | ≥90% |
Micro powder | <150 μm |