Description

2-Butene-1,4-Bis(Triphenylphosphonium Chloride) is a high-purity, versatile bisphosphonium salt widely used as a key reagent in organic synthesis and materials science. Its primary value lies in its role as a robust Wittig reagent precursor, enabling the efficient construction of complex olefins and conjugated systems. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced polymer industries seeking to develop novel active ingredients and functional materials.

Application

• Wittig Reaction Reagent: A crucial precursor for generating ylides used in the stereoselective synthesis of alkenes, dienes, and polyenes for pharmaceutical intermediates.
• Pharmaceutical Synthesis: Employed in the construction of complex molecular scaffolds found in active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Development: Used in the synthesis of novel herbicides, insecticides, and plant growth regulators requiring specific alkene functionalities.
• Polymer & Materials Science: Serves as a monomer or cross-linking agent in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Organic Synthesis Building Block: Facilitates carbon-carbon bond formation in multi-step synthetic routes for fine chemicals and complex natural products.
• Catalysis & Ligand Synthesis: Can be utilized to prepare phosphine ligands for transition metal catalysis in asymmetric synthesis.

Basic Information

Product Name	2-Butene-1,4-Bis(Triphenylphosphonium Chloride)
CAS No.	106423-29-4
Molecular Formula	C38H34Cl2P2
Molecular Weight	623.52 g/mol
Synonyms	1,4-Bis(triphenylphosphonio)-2-butene Dichloride; (E)-1,4-Bis(triphenylphosphonio)-2-butene Dichloride; trans-1,4-Bis(triphenylphosphonio)-2-butene Dichloride; 2-Butene-1,4-diylbis(triphenylphosphonium) Dichloride; 2-Butene-1,4-bis(triphenylphosphonium) Dichloride; 1,4-Di(triphenylphosphonio)-2-butene Dichloride; (E)-But-2-ene-1,4-diylbis(triphenylphosphonium) Dichloride
EINECS	Contact for details

Quality Control

Our 2-Butene-1,4-Bis(Triphenylphosphonium Chloride) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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