Description

1,3,5-Tri(Diphenylphosphoryl-Phen-3-Yl) Benzene is a high-purity, specialized organophosphorus compound with a rigid, star-shaped molecular architecture. This compound is valued for its role as a key ligand and building block in advanced materials science and catalysis research. It is primarily sought by researchers and manufacturers in the fields of organic light-emitting diodes (OLEDs), photovoltaics, and homogeneous catalysis.

Application

• Phosphorescent OLED (PHOLED) Emitters: Serves as a crucial electron-transporting or host material in the emissive layer for high-efficiency display and lighting technologies.
• Homogeneous Catalysis: Acts as a sophisticated ligand for transition metals (e.g., Iridium, Platinum, Palladium) in cross-coupling reactions and other catalytic processes.
• Metal-Organic Frameworks (MOFs): Used as a multi-dentate organic linker to construct novel porous materials for gas storage, separation, and sensing.
• Photovoltaic Materials: Incorporated into the active layer of organic solar cells (OPVs) to modify electron affinity and charge transport properties.
• Chemical Sensors: Employed in the development of fluorescence-based sensors for detecting specific metal ions or small molecules.
• Academic & Industrial R&D: A fundamental reagent for synthesizing complex dendritic molecules and studying energy/electron transfer mechanisms.

Basic Information

Product Name	1,3,5-Tri(Diphenylphosphoryl-Phen-3-Yl) Benzene
CAS No.	1311378-95-6
Molecular Formula	C63H45O3P3
Molecular Weight	943.93 g/mol
Synonyms	1,3,5-Tris(3-(diphenylphosphoryl)phenyl)benzene; Tris(3-(diphenylphosphoryl)phenyl)benzene; 1,3,5-Tri(3-diphenylphosphorylphenyl)benzene; TPPB; Triphosphorylated Triphenylbenzene Derivative; OLED Phosphine Oxide Ligand
EINECS	Contact for details

Quality Control

Every batch of 1,3,5-Tri(Diphenylphosphoryl-Phen-3-Yl) Benzene is synthesized and purified under controlled conditions to meet stringent R&D and electronic-grade material standards. Our quality assurance protocol includes comprehensive analytical characterization to ensure identity, purity, and batch-to-batch consistency. A Certificate of Analysis (COA) detailing purity (typically ≥97% by HPLC), identity confirmation, and impurity profile is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). Due to its hygroscopic nature, the container should be kept in a desiccated environment and handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to prevent performance degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Moisture (KF)	≤ 0.5%

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