Description

(Cyclopentadienylidene)Triphenylphosphorane is a specialized organophosphorus ylide compound, widely recognized for its utility as a versatile reagent in advanced organic synthesis. Its core value lies in its ability to facilitate key carbon-carbon and carbon-heteroatom bond-forming reactions, enabling the construction of complex molecular architectures. This high-purity chemical is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where precision and reliability are paramount.

Application

• Wittig Reaction Reagent: A key reagent for the stereoselective synthesis of alkenes from carbonyl compounds, crucial in fine chemical and pharmaceutical intermediate production.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex drug molecules, particularly those containing alkene or cyclopentadiene moieties.
• Agrochemical Development: Employed in the synthesis of novel active ingredients for crop protection agents.
• Material Science Research: Serves as a precursor or ligand in the development of organometallic complexes and advanced polymeric materials.
• Academic & Industrial R&D: A fundamental tool for methodological development in synthetic organic chemistry laboratories worldwide.
• Specialty Chemical Manufacturing: Used in the production of dyes, fragrances, and other high-value specialty chemicals requiring precise alkene installation.

Basic Information

Product Name	(Cyclopentadienylidene)Triphenylphosphorane
CAS No.	29473-30-1
Molecular Formula	C23H19P
Molecular Weight	326.37 g/mol
Synonyms	Triphenyl(cyclopentadienylidene)phosphorane; Cyclopentadienylidenetriphenylphosphorane; Phosphorane, (cyclopentadienylidene)triphenyl-; (Cyclopentadienylidene)triphenyl-λ5-phosphane; Phosphonium, (cyclopentadienylidene)triphenyl-, ylide; CPTPP; Ylide-TPP
EINECS	Contact for details

Quality Control

Our (Cyclopentadienylidene)Triphenylphosphorane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced spectroscopic and chromatographic techniques, including NMR and HPLC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C to maximize stability. This compound is easily oxidized and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain reagent quality.

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.