Description

(Formylmethylene)Triphenylphosphorane is a versatile and highly reactive Wittig reagent widely used in organic synthesis. Its primary value lies in its ability to facilitate the efficient formation of carbon-carbon double bonds, specifically converting carbonyl compounds into alkenes. This makes it an indispensable tool for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require precise and high-yielding synthetic pathways.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for constructing olefinic bonds in complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Production: Used in the synthesis of specific insecticide and herbicide intermediates that require defined alkene structures.
• Fine Chemical Manufacturing: Employed in the production of specialty chemicals, flavors, and fragrances where stereoselective alkene formation is critical.
• Material Science Research: Facilitates the synthesis of conjugated polymers and organic electronic materials through controlled olefination reactions.
• Academic & R&D Laboratories: A fundamental reagent for methodological development in organic chemistry and for synthesizing novel organic compounds.

Basic Information

Product Name	(Formylmethylene)Triphenylphosphorane
CAS No.	2136-75-6
Molecular Formula	C20H17OP
Molecular Weight	304.32 g/mol
Synonyms	Formylmethylenetriphenylphosphorane; (Formylmethylene)triphenyl-λ5-phosphane; (Formylmethylidene)triphenylphosphorane; Triphenylphosphoranylideneacetaldehyde; Acetaldehyde, (triphenylphosphoranylidene)-; NSC 163066; Wittig reagent (formylmethylene)
EINECS	218-377-5

Quality Control

Our (Formylmethylene)Triphenylphosphorane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and titration methods, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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 minimize oxidation and hydrolysis. This material is hygroscopic (moisture-sensitive) and easily oxidized; prolonged exposure to air and moisture must be avoided.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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