Soluble in dimethyl sulfoxide, dimethylformamide, acetone, methyl ethyl ketone, methyl isobutyl ketone, ethyl acetate, insoluble in chloroform, ether and benzene.
TECHNICAL INDICATOR
Item
Standard
Appearance
White crystalline powder
Assay
≥99.8%
Melting Point
286~288ºC
Free acid content
≤0.5%
This product is mainly used as a raw material for polyimide, a curing matting agent for epoxy resin and a crosslinking agent for polyester resin. Used in the manufacture of polyimide film, polyimide resin, powder coating matting agent, advanced electrical insulation material. Used in the manufacture of polyimide resin, high temperature resistant electrical insulating varnish, PVC plasticizer, synthetic resin crosslinking agent and epoxy resin curing agent, also used in the preparation of phthalocyanine blue dyes.