9,9-Bis(trifluoromethyl)-2,3,6,7-xanthenetetracarboxylic dianhydride 139162-14-4
Synonyms：6FCDA
Appearance:white crystalline powder
Purity:99.5%min for electronic grade
Molecular formula: C₁₉H₄F₆O₇
Molecular weight: 458.22 g/mol
Applications
Key monomer for synthesizing high-performance fluorinated polyimides
Used in flexible printed circuit boards (FPC)
Applied in semiconductor passivation and protective films
Used in optical waveguides and optoelectronic materials
Raw material for high-temperature adhesives in microelectronics
Used in high-transparency polymer films for LCD/OLED displays
Applied in high-temperature coatings and aerospace composites
HS Code : 2917399090
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