Description

(7-Formyl-3-Methyl-2,4,6-Octatrienyl)Triphenylphosphonium Chloride is a specialized organophosphorus salt, widely recognized as a key intermediate in the synthesis of complex organic molecules. Its primary value lies in its role as a Wittig reagent precursor, enabling the efficient construction of conjugated polyene systems critical in advanced materials and pharmaceuticals. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of retinoids, vitamin A analogs, and other polyene-containing drug candidates.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents that require specific conjugated alkene structures.
• Material Science Research: Serves as a precursor for creating organic semiconductors, nonlinear optical materials, and dyes with extended conjugation.
• Wittig Reaction Reagent: Employed in laboratory and pilot-scale reactions to form carbon-carbon double bonds with high stereoselectivity.
• Fine Chemical Production: Intermediate in the multi-step synthesis of flavors, fragrances, and specialty chemicals.
• Academic & Industrial R&D: A valuable tool for methodological development in organic synthesis and catalysis studies.

Basic Information

Product Name	(7-Formyl-3-Methyl-2,4,6-Octatrienyl)Triphenylphosphonium Chloride
CAS No.	83803-84-3
Molecular Formula	C28H28ClOP
Molecular Weight	446.94 g/mol
Synonyms	3-Methyl-7-formyl-2,4,6-octatrienyltriphenylphosphonium chloride; (7-Formyl-3-methyl-2,4,6-octatrien-1-yl)triphenylphosphonium chloride; Triphenyl(7-formyl-3-methyl-2,4,6-octatrienyl)phosphonium chloride; Wittig Salt Precursor; Polyene Phosphonium Salt; Retinoid Synthesis Intermediate; (E,E,E)-7-Formyl-3-methyl-2,4,6-octatrienyltriphenylphosphonium chloride
EINECS	Contact for details

Quality Control

Our production of (7-Formyl-3-Methyl-2,4,6-Octatrienyl)Triphenylphosphonium Chloride adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. Each lot is characterized by advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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