3,3'-Dihydroxybenzidine（HAB）

3,3'-Dihydroxybenzidine（HAB）

Chemical Name: 3,3'-Dihydroxybenzidine

Other Name: HAB

Molecular formula : C₁₂H₁₂N₂O₂

Molecular weight :216.24

CAS : 2373-98-0

EINECS: 679-800-2

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 3,3'-Dihydroxybenzidine

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.

Storage: Keep in dark place,Inert atmosphere,Room temperature

Quality standard