Description

Tris[2-(Diphenylphosphino)Ethyl]Phosphine is a high-value, multidentate phosphine ligand widely used in homogeneous catalysis. Its unique tetraphosphine structure provides exceptional stability and electronic tuning for transition metal complexes. This compound is essential for researchers and manufacturers in the fine chemical and pharmaceutical industries, particularly for developing and scaling up catalytic processes such as hydrogenation, hydroformylation, and cross-coupling reactions.

Application

• Homogeneous Catalysis: A versatile ligand for transition metal catalysts in hydrogenation, hydroformylation, and hydrosilylation reactions.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules through catalytic C-C and C-X bond-forming reactions.
• Fine Chemical Synthesis: Enables the production of specialty chemicals, flavors, and fragrances with high selectivity and yield.
• Polymer Chemistry: Acts as a ligand in catalytic systems for olefin polymerization and copolymerization.
• Asymmetric Synthesis: Employed in the development of chiral catalysts for the production of enantiomerically pure compounds.
• Material Science: Used in the preparation of metal-organic frameworks (MOFs) and nanomaterials with catalytic properties.

Basic Information

Product Name	Tris[2-(Diphenylphosphino)Ethyl]Phosphine
CAS No.	23582-03-8
Molecular Formula	C42H42P4
Molecular Weight	674.68 g/mol
Synonyms	Tetrakis(2-diphenylphosphinoethyl)phosphine; Tris(2-diphenylphosphinoethyl)phosphine; 1,1,1-Tris(diphenylphosphinomethyl)ethane analogue; QuadraPure™ TDPEP (trade name); P(CH2CH2PPh2)3; Phosphine, tris[2-(diphenylphosphino)ethyl]-; Tetradentate phosphine ligand; TRIPHOS
EINECS	Contact for details

Quality Control

Our Tris[2-(Diphenylphosphino)Ethyl]Phosphine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP guidelines where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C or as specified on the label. This compound is easily oxidized and moisture-sensitive; the container should be flushed with inert gas after each opening to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
31P NMR	Conforms
Melting Point	Contact for details
Residue on Ignition	≤ 0.5%

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