Description

Spiro[1,4-Dioxane-2,9-[9H]Fluorene] (9Ci) is a specialized spirocyclic organic compound featuring a unique fused ring system that combines fluorene and dioxane motifs. This distinct molecular architecture is valued for its ability to impart specific electronic and steric properties, making it a crucial intermediate in advanced material science and pharmaceutical research. It is primarily sought after by R&D chemists and process engineers in the fields of organic electronics, polymer chemistry, and as a building block for novel active pharmaceutical ingredients (APIs).

Application

• As a key building block in the synthesis of organic semiconductors and hole-transport materials for OLEDs and photovoltaic devices.
• Utilized in polymer chemistry to create high-performance polymers with enhanced thermal stability and specific optical properties.
• Serves as a sophisticated pharmaceutical intermediate in the development of new therapeutic compounds.
• Acts as a ligand precursor or structural component in organometallic catalysis and coordination chemistry.
• Employed in material science research for developing novel liquid crystals or non-linear optical (NLO) materials.
• Used as a standard or reference compound in analytical chemistry and method development.

Basic Information

Item	Details
Product Name	Spiro[1,4-Dioxane-2,9-[9H]Fluorene] (9Ci)
CAS No.	863395-70-4
Molecular Formula	C15H12O2
Molecular Weight	224.25 g/mol
Synonyms	9H-Spiro[fluorene-9,2'-[1,4]dioxane]; 9H-Fluorene-9-spiro-2'-(1',4'-dioxane); Spiro(fluorene-9,2'-dioxane); 9,9-Spirobi[9H-fluorene]-2,2'-dioxide (incorrect but common misnomer); Fluorene-9-spiro-2'-(1',4'-dioxane); 2,9-Epoxy-9H-fluorene; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of Spiro[1,4-Dioxane-2,9-[9H]Fluorene] (9Ci) is produced and analyzed under strict quality management protocols. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation, to ensure compliance with exacting R&D and process standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is 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 (typically 15-25°C). This compound should be kept under an inert atmosphere if long-term storage is required to prevent potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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