Description

(E,E)-[5-(4-Methoxy-2,3,6-Trimethylphenyl)-3-Methyl-2,4-Pentadienyl]Triphenylphosphonium Chloride is a high-purity, specialized Wittig reagent salt, a critical intermediate in advanced organic synthesis. This compound matters for its precise role in constructing complex molecular frameworks, particularly in the synthesis of vitamin A derivatives and other polyene structures. It is essential for R&D chemists and process development scientists in the pharmaceutical, fine chemical, and agrochemical industries who require reliable, high-quality building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: A key reagent in the synthesis of vitamin A (retinol) and its analogs, as well as other retinoid-based therapeutics.
• Fine Chemical Synthesis: Used in the Wittig reaction for the stereoselective formation of conjugated diene and triene systems in complex natural products and specialty chemicals.
• Agrochemical Research: Employed in the development of novel active ingredients that require specific polyene chains for biological activity.
• Material Science: Potential use in the synthesis of organic semiconductors and advanced polymers with conjugated backbones.
• Academic & Industrial R&D: Serves as a valuable tool for methodological development and the discovery of new synthetic pathways in organic chemistry.

Basic Information

Product Name	(E,E)-[5-(4-Methoxy-2,3,6-Trimethylphenyl)-3-Methyl-2,4-Pentadienyl]Triphenylphosphonium Chloride
CAS No.	69365-97-5
Molecular Formula	C₃₆H₄₀ClOP
Molecular Weight	555.13 g/mol
Synonyms	5-(4-Methoxy-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadien-1-yl triphenylphosphonium chloride; (E,E)-C15-Wittig Salt (Vitamin A intermediate); (all-E)-3-Methyl-5-(2,3,6-trimethyl-4-methoxyphenyl)-2,4-pentadien-1-yl triphenylphosphonium chloride; Retinyltriphenylphosphonium chloride derivative; Vitamin A phosphonium salt intermediate; C15-Phosphonium Salt; Triphenyl[(3E,5E)-3-methyl-5-(2,3,6-trimethyl-4-methoxyphenyl)-2,4-pentadien-1-yl]phosphonium chloride
EINECS	Contact for details

Quality Control

Our (E,E)-[5-(4-Methoxy-2,3,6-Trimethylphenyl)-3-Methyl-2,4-Pentadienyl]Triphenylphosphonium Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity suitable for sensitive synthetic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP principles where applicable to support our clients in pharmaceutical development.

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. For long-term storage, consider using desiccants or storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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