Product Description

Product Name: 3,3'4,4'-Biphenyl tetracarboxylic acid dianhydride;
                            3,4'3'4'-biphenyl-tetracarboxylic acid dianhydride
CAS # : 2420-87-3
Structural Formula:

Technical Spec.:
Appearance: white crystalline powder
Assay(HPLC): 99% min
M.P.: 298-299°C

Packing: 25kgs cardboard drum or upon clients' requests.

Functions & Origin: It is an important monomer for the synthesis of polyimide which is the best special heat resistance resin so far.