Description

(E,E)-[3-Methyl-5-(2,6,6-Trimethyl-1-Cyclohexen-1-Yl)Penta-2,4-Dienyl]Triphenylphosphonium Chloride is a high-purity, specialized phosphonium salt primarily used as a key synthetic intermediate in organic chemistry. This compound matters for its critical role in the Wittig reaction, enabling the precise synthesis of complex polyene structures found in fine chemicals and active pharmaceutical ingredients (APIs). It is essential for R&D chemists and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for complex synthesis.

Application

• Wittig Reaction Intermediate: A crucial reagent for the stereoselective synthesis of vitamin A derivatives, carotenoids, and other polyene compounds.
• Pharmaceutical Synthesis: Used in the research and production of retinoid-based drugs and other APIs with conjugated diene or triene systems.
• Agrochemical Development: Serves as a building block for creating novel crop protection agents with specific light-absorbing properties.
• Fine Chemical Manufacturing: Employed in the synthesis of specialty chemicals, dyes, and fragrance precursors requiring precise olefination.
• Academic & Industrial R&D: A valuable tool for methodological development in organic synthesis and material science laboratories.
• Material Science: Potential precursor for organic semiconductors or liquid crystal materials due to its conjugated system and ionic nature.

Basic Information

Item	Details
Product Name	(E,E)-[3-Methyl-5-(2,6,6-Trimethyl-1-Cyclohexen-1-Yl)Penta-2,4-Dienyl]Triphenylphosphonium Chloride
CAS No.	53282-28-3
Molecular Formula	C₃₃H₄₀ClP
Molecular Weight	503.10 g/mol
Synonyms	β-C₁₅-Triphenylphosphonium Chloride; (all-E)-3-Methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadien-1-yltriphenylphosphonium Chloride; C₁₅-Phosphonium Salt; Retinylidene Triphenylphosphonium Chloride; Wittig Salt C₁₅; (E,E)-C₁₅ Phosphonium Chloride; 3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-yl triphenylphosphonium chloride (related form)
EINECS	Contact for details

Quality Control

Our (E,E)-[3-Methyl-5-(2,6,6-Trimethyl-1-Cyclohexen-1-Yl)Penta-2,4-Dienyl]Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and isomer confirmation, NMR for structural verification, and Karl Fischer titration for moisture content. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to ensure traceability and compliance with your research or production requirements.

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 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 (e.g., nitrogen or argon) to maintain optimal stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Isomeric Purity (E,E)	≥ 90.0%
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.