Description

4,4'-(Octahydro-4,7-Methano-5H-Inden-5-Ylidene) Bisphenol is a specialized bisphenol derivative with a unique, rigid polycyclic hydrocarbon structure. This compound serves as a critical high-performance monomer and intermediate, valued for its ability to impart enhanced thermal stability, chemical resistance, and mechanical properties to advanced polymers. It is essential for manufacturers in the aerospace, electronics, and specialty coatings industries seeking to develop next-generation engineering plastics, epoxy resins, and high-temperature adhesives.

Application

• High-Performance Epoxy Resins: A key monomer for formulating advanced epoxy systems with superior heat resistance and low moisture absorption for aerospace composites and electronic encapsulants.
• Engineering Thermoplastics: Used as a comonomer in the synthesis of polycarbonates, polysulfones, and polyarylates to enhance glass transition temperature (Tg) and dimensional stability.
• Specialty Coatings & Adhesives: Imparts durability and chemical resistance to industrial coatings, high-temperature adhesives, and protective finishes.
• Photoresist & Electronic Materials: Acts as a precursor in the development of photosensitive polymers for advanced semiconductor lithography.
• Flame Retardant Additives: Serves as a building block for halogen-free flame retardants used in wires, cables, and electronic components.
• Pharmaceutical Intermediates: Utilized in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) requiring a rigid, chiral backbone.

Basic Information

Product Name	4,4'-(Octahydro-4,7-Methano-5H-Inden-5-Ylidene) Bisphenol
CAS No.	1943-97-1
Molecular Formula	C23H26O2
Molecular Weight	334.45 g/mol
Synonyms	5,5'-(Octahydro-4,7-methano-5H-inden-5-ylidene)di-1,3-benzenediol; Bisphenol AP; 4,4'-(3,3,5-Trimethyltricyclo[5.2.1.02,6]decan-8-ylidene)diphenol; Phenol, 4,4'-(octahydro-4,7-methano-5H-inden-5-ylidene)bis-; Bisphenol A Hydrogenated Dimer; Bisphenol TCD; 4,4'-(Tricyclo[5.2.1.02,6]decan-8-ylidene)diphenol (mixture of isomers)
EINECS	217-749-7

Quality Control

Our 4,4'-(Octahydro-4,7-Methano-5H-Inden-5-Ylidene) Bisphenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, melting point, and impurity profiles to support your quality assurance protocols.

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). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	160 - 165 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 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.