Description

1,4-Bis(Diphenylphosphino)Benzene is a high-purity, versatile bidentate phosphine ligand essential for advanced catalytic processes. Its rigid, conjugated structure makes it a superior ligand for constructing highly active and selective transition metal catalysts. This compound is critical for researchers and manufacturers in the pharmaceutical, fine chemical, and materials science industries who require precise control over cross-coupling and hydrogenation reactions.

Application

• As a key ligand in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira) for pharmaceutical intermediate synthesis.
• In the preparation of homogeneous catalysts for selective hydrogenation and hydroformylation processes.
• As a building block for metal-organic frameworks (MOFs) and coordination polymers with tailored electronic properties.
• In organic light-emitting diode (OLED) research as an electron-transport material or a component of emissive metal complexes.
• For the synthesis of specialty polymers and advanced materials requiring phosphine-based modifiers.
• In academic and industrial R&D for developing new catalytic systems and studying structure-activity relationships.

Basic Information

Product Name	1,4-Bis(Diphenylphosphino)Benzene
CAS No.	1179-06-2
Molecular Formula	C30H24P2
Molecular Weight	446.46 g/mol
Synonyms	1,4-Bis(diphenylphosphino)benzene; DPPBz; 1,4-Bis(diphenylphosphanyl)benzene; p-Bis(diphenylphosphino)benzene; 1,4-Phenylenebis(diphenylphosphine); NSC 168088; Benzene, 1,4-bis(diphenylphosphino)-; 4-Diphenylphosphinophenyl-diphenylphosphine
EINECS	214-640-3

Quality Control

Our 1,4-Bis(Diphenylphosphino)Benzene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for sensitive catalytic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent performance.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Due to its sensitivity to oxidation, the container should be purged with inert gas after each opening to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	148 - 152 °C
Loss on Drying	≤ 0.5%

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