Description

2-Butyne-1,4-Diylbis(Diphenylphosphine Sulfide) is a specialized organophosphorus compound featuring a rigid alkyne bridge connecting two diphenylphosphine sulfide moieties, making it a valuable ligand precursor and building block in advanced synthesis. Its primary commercial value lies in its ability to coordinate with transition metals, forming complexes with unique catalytic and material properties. This chemical is essential for researchers and manufacturers in the fields of homogeneous catalysis, materials science, and pharmaceutical intermediate synthesis, where precise molecular architecture is required.

Application

• Homogeneous Catalyst Ligand: Serves as a precursor for bidentate phosphine ligands used in cross-coupling reactions (e.g., Suzuki, Heck), hydrogenation, and hydroformylation.
• Materials Science Research: Used in the development of novel metal-organic frameworks (MOFs), coordination polymers, and luminescent materials due to its rigid backbone.
• Pharmaceutical Intermediate Synthesis: Acts as a key chiral auxiliary or building block in the synthesis of complex, biologically active molecules.
• Organic Electronics: Investigated for use in the synthesis of organic semiconductors and charge-transport materials.
• Polymerization Catalyst Component: Employed in the design of single-site catalysts for olefin polymerization and other polymer synthesis processes.
• Chemical Vapor Deposition (CVD) Precursor: Potential use in the deposition of thin films containing phosphorus and sulfur for semiconductor applications.

Basic Information

Product Name	2-Butyne-1,4-Diylbis(Diphenylphosphine Sulfide)
CAS No.	27318-85-0
Molecular Formula	C30H24P2S2
Molecular Weight	510.58 g/mol
Synonyms	1,4-Bis(diphenylphosphinothioyl)but-2-yne; Bis(diphenylthiophosphinyl)but-2-yne; 2-Butyne-1,4-diyl bis(diphenylphosphinothioate); DPPTB; 1,4-Di(diphenylphosphinothioyl)-2-butyne; (Diphenylphosphinothioyl)but-2-yne-1,4-diylbis(diphenylphosphine sulfide); But-2-yne-1,4-diyl bis(diphenylphosphinothioate)
EINECS	Contact for details

Quality Control

Every batch of 2-Butyne-1,4-Diylbis(Diphenylphosphine Sulfide) is subjected to rigorous analytical testing to ensure identity, purity, and consistency. Our quality assurance protocols are designed to meet the stringent requirements of research and industrial-scale applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

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). This material is light-sensitive (store away from light). Keep the container tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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