CAS No.: 129808-00-0
Product name: 4,4'-(Ethyne-1,2-Diyl)diphthalic Anhydride
Appearance: Light yellow powder
Purity(HPLC): ≥99%
Molecular formula: C18H6O6
Molecular weight: 318.24
Package: In Aluminum foil bag, cartons outside.
Storage: Preserve in a well-closed container and keep in cool, dry place, avoid light.
4,4'-(Ethyne-1,2-diyl)diphthalic anhydride belongs to the monomers of aromatic carboxylic acid dianhydrides, which have inherently good properties such as wear and friction properties, good electrical properties, radiation resistance, good low temperature stability, and good flame retardant properties.
The main use of 4,4'-(ethyne-1,2-diyl)diphthalic anhydride is as a dye intermediate and as a raw material for the synthesis of polymeric materials. It can be used in the preparation of a variety of pigments and dyes, such as phthalocyanine blue, acid yellow 47 and phthalocyanine blue 40. It can also be used in the manufacture of polymer materials such as polyester, polyamide and polyimide.
4,4'-(Ethyne-1,2-diyl)diphthalic anhydride is used in the electronics industry in flexible cables (as an insulating film on magnetic wires) and also in medical catheters.
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