Description

Phenylbis(9,9'-Spirobi[9H-Fluoren]-2-Yl)Phosphine Oxide is a high-performance organic phosphine oxide derivative, valued for its unique sterically hindered and electron-rich molecular architecture. This compound serves as a critical ligand precursor and functional material in advanced synthetic chemistry and materials science. It is essential for researchers and manufacturers in the organic light-emitting diode (OLED), pharmaceutical, and specialty chemical sectors seeking to develop next-generation electronic materials and catalysts.

Application

• As a key ligand precursor for transition metal catalysts used in cross-coupling reactions (e.g., Suzuki, Heck).
• As an electron-transport material (ETM) or host material in the emissive layer of OLED devices.
• As a building block for synthesizing novel phosphorescent complexes for display and lighting technologies.
• In the research and development of advanced organic semiconductors and photoelectric materials.
• As a specialty intermediate for pharmaceutical synthesis, particularly where bulky, electron-donating phosphine ligands are required.
• For the preparation of polymerization catalysts and in polymer modification processes.

Basic Information

Product Name	Phenylbis(9,9'-Spirobi[9H-Fluoren]-2-Yl)Phosphine Oxide
CAS No.	824426-27-9
Molecular Formula	C61H39OP
Molecular Weight	818.93 g/mol
Synonyms	Phenylbis(9,9'-spirobi[9H-fluoren]-2-yl)phosphine oxide; 2,2'-(Phenylphosphoryl)bis(9,9'-spirobi[9H-fluorene]); Spirobifluorenyl Phosphine Oxide Derivative; SBF-PO Ligand; Phenylbis(SBF)phosphine oxide; (9,9'-Spirobi[9H-fluoren]-2-yl)phenylphosphine oxide; Bis(9,9'-spirobi[9H-fluoren]-2-yl)phenylphosphine oxide
EINECS	Contact for details

Quality Control

Our production of Phenylbis(9,9'-Spirobi[9H-Fluoren]-2-Yl)Phosphine Oxide adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and quality assurance requirements.

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). Keep away from incompatible materials. Due to its light-sensitive nature, handling and packaging should minimize exposure to strong light sources.

Specification

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

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