Description

1,4-Bis(Diethylphosphino)Butane is a high-purity organophosphorus ligand with the CAS number 54729-77-0. This compound is valued for its strong electron-donating properties and chelating ability, making it a critical component in advanced catalytic systems. It is primarily sought after by researchers and manufacturers in the fine chemical and pharmaceutical industries for developing and scaling up complex synthetic processes.

Application

• As a key ligand in homogeneous catalysis, particularly for cross-coupling reactions (e.g., Suzuki, Heck, Negishi).
• In the synthesis of specialty polymers and advanced materials where precise metal coordination is required.
• For academic and industrial R&D in developing new catalytic methodologies for pharmaceutical intermediates.
• As a precursor or modifying agent in the preparation of other functionalized phosphine ligands and metal complexes.
• In hydrogenation and hydroformylation catalytic processes for fine chemical production.

Basic Information

Product Name	1,4-Bis(Diethylphosphino)Butane
CAS No.	54729-77-0
Molecular Formula	C12H28P2
Molecular Weight	234.28 g/mol
Synonyms	1,4-Bis(diethylphosphino)butane; Diethylphosphino Butane Ligand; DPEphos Analog; 1,4-Butanediylbis(diethylphosphine); TEDPB; BDPB; Ligand for Cross-Coupling; Chelating Diphosphine
EINECS	Contact for details

Quality Control

Our 1,4-Bis(Diethylphosphino)Butane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, GC, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its sensitivity to oxidation, this material should be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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