Description

Triphenylphosphonium 9H-Fluoren-9-Ylide is a specialized organophosphorus compound widely used as a key reagent in synthetic organic chemistry. Its primary value lies in its role as a stabilized ylide for Wittig and related olefination reactions, enabling the efficient synthesis of complex alkene structures. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable building blocks for developing active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A crucial reagent for constructing alkene moieties in drug discovery and the synthesis of complex active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides that require specific alkene functionalities.
• Material Science Research: Serves as a building block for creating novel organic semiconductors, liquid crystals, and polymers with tailored electronic properties.
• Wittig Reaction Reagent: Acts as a stabilized phosphonium ylide for the stereoselective formation of carbon-carbon double bonds under mild conditions.
• Academic & R&D Laboratories: A valuable tool for methodological development and the synthesis of novel organic compounds in research settings.
• Fine Chemical Production: Employed in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Triphenylphosphonium 9H-Fluoren-9-Ylide
CAS No.	42809-78-9
Molecular Formula	C₃₁H₂₃P
Molecular Weight	426.49 g/mol
Synonyms	9-(Triphenylphosphoranylidene)fluorene; Fluoren-9-ylidenetriphenylphosphorane; Triphenyl(9H-fluoren-9-ylidene)phosphorane; 9-Fluorenylidenetriphenylphosphorane; 9-Triphenylphosphanylidene-9H-fluorene; Fluorene-9-ylidenetriphenylphosphorane; Wittig Reagent derived from Fluorene; (9H-Fluoren-9-ylidene)triphenyl-λ⁵-phosphane
EINECS	Contact for details

Quality Control

Our Triphenylphosphonium 9H-Fluoren-9-Ylide is manufactured under strict quality protocols to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to confirm identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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