Description

2-Chloro-9,9'-Spirobi[9H-Fluorene] is a high-purity, halogenated spirobifluorene derivative, a key structural motif in advanced materials science. This compound matters for its role as a sophisticated building block in the synthesis of organic semiconductors and light-emitting materials, where its rigid, three-dimensional structure and electronic properties are highly valued. It is primarily needed by R&D chemists and process engineers in the organic electronics, OLED (Organic Light-Emitting Diode), and pharmaceutical intermediate sectors.

Application

• Organic Semiconductor Precursor: Serves as a critical intermediate in the synthesis of hole-transporting materials (HTMs) and electron-transporting materials (ETMs) for OLED devices.
• OLED Emitter Synthesis: Used as a core building block for developing novel host and dopant materials in blue and green phosphorescent or thermally activated delayed fluorescence (TADF) OLEDs.
• Pharmaceutical Intermediate: Acts as a structurally complex scaffold in medicinal chemistry research for the development of new therapeutic agents.
• Material Science Research: Employed in academic and industrial R&D for creating novel polymers and small molecules with tailored photophysical properties.
• Perovskite Solar Cell Components: Investigated for use in the development of charge-transport layers in next-generation photovoltaic cells.

Basic Information

Item	Details
Product Name	2-Chloro-9,9'-Spirobi[9H-Fluorene]
CAS No.	1995886-78-6
Molecular Formula	C25H15Cl
Molecular Weight	350.84 g/mol
Synonyms	2-Chloro-9,9'-spirobi[9H-fluorene]; 2-Chlorospirobifluorene; 2-Chloro-9,9'-spirobifluorene; 2-Cl-SBF; Spirobifluorene, 2-chloro- derivative; 2-Chloro-9,9'-Spirobi[9H-Fluorene] CAS 1995886-78-6; 2-Chloro-9,9'-Spirobi[fluorene]
EINECS	Contact for details

Quality Control

Our 2-Chloro-9,9'-Spirobi[9H-Fluorene] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and structural integrity suitable for sensitive electronic and pharmaceutical applications. Certificates of Analysis (COA) with full traceability are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). Keep away from heat and incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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