Description

Carbmethoxy Ethylidene Triphenyl Phosphorane is a specialized Wittig reagent, a key organophosphorus compound used in the synthesis of α,β-unsaturated esters. Its primary value lies in enabling the precise and efficient formation of carbon-carbon double bonds, a critical step in constructing complex molecular frameworks. This reagent is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where it facilitates the production of fine chemicals and active intermediates.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for constructing olefinic linkages in drug discovery and development, particularly for creating prostaglandin analogs and other bioactive molecules.
• Agrochemical Production: Used in the synthesis of advanced pesticide and herbicide intermediates that require specific alkene geometries.
• Fine Chemical Manufacturing: Employed in the production of specialty chemicals, flavors, and fragrances where stereoselective olefination is required.
• Material Science Research: Facilitates the synthesis of conjugated systems and organic semiconductors for electronic applications.
• Academic & R&D Laboratories: A vital tool for methodological development in organic synthesis and catalysis studies.

Basic Information

Product Name	Carbmethoxy Ethylidene Triphenyl Phosphorane
CAS No.	2605-67-7
Molecular Formula	C22H21O2P
Molecular Weight	348.38 g/mol
Synonyms	(Carbomethoxymethylene)triphenylphosphorane; Methyl (triphenylphosphoranylidene)acetate; Triphenylphosphoranylidene methyl acetate; Methyl 2-(triphenyl-λ5-phosphanylidene)acetate; Wittig reagent methyl ester; Phosphorane, (carbomethoxymethylene)triphenyl-; (Methoxycarbonylmethylene)triphenylphosphorane
EINECS	220-025-5

Quality Control

Our Carbmethoxy Ethylidene Triphenyl Phosphorane is manufactured under strict quality protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and titration methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance 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, and well-ventilated area. Recommended long-term storage temperature is 2-8°C. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	168 - 172 °C
Residue on Ignition	≤ 0.1%
Solubility	Soluble in common organic solvents (THF, DCM, toluene)

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