Description

Triphenyl(2-Propenyl)Phosphonium is a versatile organophosphorus compound, specifically a phosphonium salt, valued for its role as a key reagent in organic synthesis. Its primary commercial significance lies in its utility as a Wittig reagent for the stereoselective synthesis of alkenes, a fundamental transformation in the production of fine chemicals and advanced intermediates. This product is essential for R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to construct complex molecular architectures.

Application

• Wittig Olefination Reactions: A fundamental reagent for the conversion of carbonyl compounds (aldehydes, ketones) into alkenes, enabling the synthesis of vitamin A derivatives, pheromones, and other natural products.
• Pharmaceutical Intermediate Synthesis: Used in the construction of key alkene-containing intermediates for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Manufacturing: Employed in the synthesis of herbicide and insecticide intermediates that require specific alkene functionalities.
• Material Science & Polymer Chemistry: Acts as a precursor or catalyst component in the synthesis of specialty monomers, flame retardants, and ionic liquids.
• Ligand & Catalyst Preparation: Serves as a starting material for the synthesis of phosphine ligands used in homogeneous catalysis, such as cross-coupling reactions.
• Fine Chemical Production: Applied in the manufacture of fragrances, flavors, and dyes where precise alkene geometry is critical.

Basic Information

Product Name	Triphenyl(2-Propenyl)Phosphonium
CAS No.	15912-76-2
Molecular Formula	C21H21P
Molecular Weight	304.37 g/mol
Synonyms	Triphenylallylphosphonium; Allyltriphenylphosphonium; (2-Propen-1-yl)triphenylphosphonium; Phosphonium, triphenyl-2-propenyl-; Triphenyl(allyl)phosphonium; Allyl triphenylphosphonium salt; 2-Propen-1-yltriphenylphosphonium; 1-Propene-3-yltriphenylphosphonium
EINECS	240-083-5

Quality Control

Our Triphenyl(2-Propenyl)Phosphonium is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR (¹H, ³¹P), HPLC, and Karl Fischer titration, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We are committed to meeting the stringent requirements of cGMP and ISO 9001 standards for our pharmaceutical and industrial customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (argon or nitrogen) for long-term storage to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%

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