3,3',4,4'-Biphthalic Anhydride(BPDA)
3,3',4,4'-Biphthalic Anhydride(BPDA)
Chemical Name: 3,3',4,4'-Biphthalic Anhydride
Other Name: BPDA
Molecular formula : C16H6O6
Molecular weight :294.22
CAS :2420-87-3
EINECS: 219-342-9
Appearance: : White powder
Application of 3,3',4,4'-Biphthalic Anhydride
1. In the production of polyimide products and their composites, pharmaceutical intermediates.
2. It is used to manufacture new polymer materials such as resin and PI film.
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
Items | Quality standard |
Appearance | White powder |
Purity(HPLC) | ≥99.5% |
Melting point | ≥298℃ |
Heavy Metal | <1ppm |