Description

5,5-(((Perfluoropropane-2,2-Diyl)Bis(4,1-Phenylene))Bis(Oxy))Bis(Isobenzofuran-1,3-Dione) is a high-performance fluorinated aromatic compound, valued for its unique chemical structure that imparts exceptional thermal stability and chemical resistance. This compound is a critical intermediate for synthesizing advanced polymers and specialty chemicals where durability under harsh conditions is paramount. It is primarily sought by manufacturers in the electronics, aerospace, and high-performance plastics industries for creating materials with superior properties.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyimides and polyetherimides with enhanced thermal and chemical stability.
• Electronic Materials: Used in the formulation of advanced dielectric coatings, encapsulants, and insulating films for semiconductor and microelectronic applications.
• Aerospace Composites: Serves as a building block for high-temperature resistant resins and composite matrices used in aerospace components.
• Specialty Additives: Functions as a performance additive to improve the flame retardancy and weatherability of engineering plastics.
• Adhesives & Sealants: Incorporated into formulations requiring long-term stability against extreme temperatures and aggressive chemicals.
• Advanced Coating Systems: Used in the development of protective coatings for industrial equipment exposed to corrosive environments.

Basic Information

Item	Detail
Product Name	5,5-(((Perfluoropropane-2,2-Diyl)Bis(4,1-Phenylene))Bis(Oxy))Bis(Isobenzofuran-1,3-Dione)
CAS No.	61778-79-8
Molecular Formula	C33H12F6O8
Molecular Weight	650.44 g/mol
Synonyms	Bis[4-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-yloxy)phenyl]hexafluoroisopropylidene; 5,5'-[2,2-Bis(4-hydroxyphenyl)hexafluoropropane] di(phthalic anhydride); 6FDA dianhydride derivative; 4,4'-(Hexafluoroisopropylidene)diphenol bis(trimellitate) dianhydride; 1,3-Isobenzofurandione, 5,5'-((2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane) diyl)bis(oxy))bis-; Hexafluorobisphenol A dianhydride ester; BPADA analogue; Fluorinated aromatic dianhydride
EINECS	Contact for details

Quality Control

Our production of 5,5-(((Perfluoropropane-2,2-Diyl)Bis(4,1-Phenylene))Bis(Oxy))Bis(Isobenzofuran-1,3-Dione) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including identity confirmation, assay, and impurity profiling. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and amines.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.