Description

2,2',7,7'-Tetramethoxy-9,9'-Spirobi[Fluorene is a high-purity, functionalized spirobifluorene derivative, a key structural motif prized for its rigid, three-dimensional geometry and excellent electronic properties. This compound is essential for advanced materials research and development, particularly where precise molecular architecture and optoelectronic performance are critical. It is primarily utilized by R&D chemists and material scientists in the organic electronics, photonics, and specialty chemical synthesis sectors.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a core building block or host material in the emissive layer for high-efficiency displays and lighting due to its good hole-transporting ability and morphological stability.
• Organic Photovoltaics (OPVs/Perovskite Solar Cells): Used as a hole-transport material (HTM) or an additive to enhance charge carrier mobility, film formation, and device longevity.
• Organic Field-Effect Transistors (OFETs): Acts as a semiconducting material in the active layer, contributing to high charge carrier mobility and on/off ratios.
• Chemical Synthesis Intermediate: Provides a versatile, methoxy-functionalized spiro-core for further derivatization to create novel dyes, ligands, or more complex organic semiconductors.
• Non-Linear Optical (NLO) Materials: Investigated for use in photonic devices, such as optical limiters and switches, leveraging its extended conjugated system.
• Luminescent Sensors and Probes: Employed in the development of fluorescent chemosensors for the detection of specific ions or molecules.

Basic Information

Product Name	2,2',7,7'-Tetramethoxy-9,9'-Spirobi[Fluorene
CAS No.	1801236-29-2
Molecular Formula	C33H28O4
Molecular Weight	488.57 g/mol
Synonyms	9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetrol, 2,2',7,7'-tetramethyl ether; 2,2',7,7'-Tetramethoxyspiro[9H-fluorene-9,9'-[9H]fluorene]; Tetramethoxyspirobifluorene; SBF-OMe4; Spirobifluorene tetramethyl ether; 2,2',7,7'-Tetramethoxy-spirobi[fluorene]; CAS 1801236-29-2
EINECS	Contact for details

Quality Control

Our 2,2',7,7'-Tetramethoxy-9,9'-Spirobi[Fluorene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency essential for sensitive electronic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep away from heat and incompatible materials.

Specification

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

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