Description

[(Triphenylphosphoranylidene)Methyl]Phosphonic Acid Diphenyl Ester is a specialized organophosphorus compound that serves as a versatile reagent in advanced organic synthesis. Its core value lies in its ability to act as a Wittig-Horner type reagent, facilitating the efficient formation of carbon-carbon double bonds to synthesize complex olefins and other valuable intermediates. This high-purity chemical is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable and consistent building blocks for their R&D and production workflows.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing olefinic linkages in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Manufacturing: Used in the production of advanced crop protection agents, including certain herbicides and fungicides that require specific alkene structures.
• Material Science Research: Employed in the synthesis of organic ligands, monomers for functional polymers, and precursors for advanced organic electronic materials.
• Fine Chemical Production: Facilitates the synthesis of specialty chemicals, flavors, and fragrances where precise stereochemistry is critical.
• Academic & Industrial R&D: A valuable tool for methodology development in organic chemistry, particularly in studies involving olefination reactions and phosphorus ylide chemistry.

Basic Information

Item	Detail
Product Name	[(Triphenylphosphoranylidene)Methyl]Phosphonic Acid Diphenyl Ester
CAS No.	22400-41-5
Molecular Formula	C31H26O3P2
Molecular Weight	508.48 g/mol
Synonyms	(Triphenylphosphoranylidene)methylphosphonic Acid Diphenyl Ester; Diphenyl [(Triphenylphosphoranylidene)methyl]phosphonate; (Carbethoxymethylene)triphenylphosphorane Analog (Phosphonate); Horner-Wadsworth-Emmons Reagent (Phosphonate Type); Methylenediphosphonic Acid, P,P'-Diphenyl Ester, P''-Triphenylphosphoranylidene Derivative; Witting-Horner Reagent; Phosphonic Acid, [(triphenylphosphoranylidene)methyl]-, diphenyl ester
EINECS	Contact for details

Quality Control

Our production of [(Triphenylphosphoranylidene)Methyl]Phosphonic Acid Diphenyl Ester adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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). This compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed and consideration should be given to storage under an inert atmosphere for long-term preservation of quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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