Description

(2-Butenyl)Triphenylphosphonium Chloride is a versatile organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable phosphonium ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes and complex organic molecules. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable and scalable building blocks for advanced synthesis.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides used in the synthesis of alkenes, dienes, and other unsaturated compounds.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates requiring specific alkene geometries.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators that contain olefinic components.
• Material Science & Polymer Chemistry: Serves as a monomer or functionalization agent in the development of specialty polymers and advanced materials.
• Ligand & Catalyst Preparation: Acts as a starting material for the synthesis of phosphine ligands and organocatalysts used in asymmetric synthesis.
• Fine Chemical Production: Applied in the multistep synthesis of flavors, fragrances, dyes, and other high-value specialty chemicals.

Basic Information

Item	Detail
Product Name	(2-Butenyl)Triphenylphosphonium Chloride
CAS No.	13138-25-5
Molecular Formula	C22H22ClP
Molecular Weight	352.84 g/mol
Synonyms	2-Buten-1-yltriphenylphosphonium Chloride; (But-2-enyl)triphenylphosphonium Chloride; Crotyltriphenylphosphonium Chloride; trans-2-Butenyltriphenylphosphonium Chloride; 1-Methyl-2-propenyltriphenylphosphonium Chloride; Phosphonium, (2-butenyl)triphenyl-, chloride; Triphenyl(2-butenyl)phosphonium Chloride
EINECS	Contact for details

Quality Control

Our (2-Butenyl)Triphenylphosphonium Chloride is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including NMR, HPLC, and titration, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with customer specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.