Description

Spiro[9H-Fluorene-9,9'-[9H]Xanthene], 3',6'-Bis(2-Oxiranylmethoxy)- is a specialized epoxy-functionalized spirocyclic compound, CAS NO 47769-72-2. This high-value intermediate is critical for synthesizing advanced polymers and materials with tailored optical, thermal, and mechanical properties. It is primarily sought after by R&D and production teams in the advanced electronics, high-performance coatings, and specialty adhesives industries.

Application

• As a key monomer for synthesizing high-refractive-index, transparent optical resins used in LED encapsulation and optical lenses.
• As a cross-linking agent in the formulation of advanced epoxy resins for electronics underfill and semiconductor packaging applications.
• In the development of high-temperature resistant and low-dielectric constant polymers for printed circuit boards (PCBs) and microelectronics.
• As a building block for photo-curable resins utilized in 3D printing (stereolithography) and high-performance, durable coatings.
• For research into novel spirocyclic polymers with potential applications in organic light-emitting diodes (OLEDs) and photovoltaics.
• In the synthesis of specialty adhesives and sealants requiring excellent thermal stability and chemical resistance.

Basic Information

Product Name	Spiro[9H-Fluorene-9,9'-[9H]Xanthene], 3',6'-Bis(2-Oxiranylmethoxy)-
CAS No.	47769-72-2
Molecular Formula	C31H24O4
Molecular Weight	460.52 g/mol
Synonyms	3',6'-Bis(2-oxiranylmethoxy)spiro[fluorene-9,9'-xanthene]; 9,9-Bis[4-(glycidyloxy)phenyl]fluorene derivative; Spirobixanthene diglycidyl ether; Bisphenol fluorene diglycidyl ether; Epoxy-functionalized spirobixanthene; SFX diglycidyl ether; 3',6'-Diglycidyloxy spiro[fluorene-9,9'-xanthene]; Bixanthene diglycidyl ether
EINECS	Contact for details

Quality Control

Our production of Spiro[9H-Fluorene-9,9'-[9H]Xanthene], 3',6'-Bis(2-Oxiranylmethoxy)- adheres to stringent quality management protocols. Each batch is characterized and tested to ensure high purity and consistent performance for demanding applications. Comprehensive Certificates of Analysis (COA) detailing purity, epoxy equivalent weight, and impurity profiles are provided to guarantee supply reliability and technical compliance.

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). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Epoxy Equivalent Weight (EEW)	Contact for details
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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