Description

Dichloromethylenetriphenylphosphorane is a highly reactive and versatile Wittig-type reagent, widely recognized for its role in the synthesis of vinyl chlorides and other alkene derivatives. Its primary value lies in enabling efficient carbon-carbon double bond formation under mild conditions, a critical step in constructing complex organic frameworks. This reagent is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors, where precise olefination reactions are required.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for constructing vinyl chloride moieties present in various active pharmaceutical ingredients (APIs).
• Agrochemical Production: Used in the synthesis of insecticide and herbicide intermediates requiring specific alkene functionalities.
• Material Science Research: Employed in the creation of novel polymers and liquid crystal precursors via controlled olefination reactions.
• Fine Chemical Manufacturing: Facilitates the production of specialty alkenes and conjugated systems used in fragrances and dyes.
• Academic & Process Chemistry: A staple reagent in method development and scalable synthetic routes for complex molecule construction.

Basic Information

Product Name	Dichloromethylenetriphenylphosphorane
CAS No.	6779-08-4
Molecular Formula	C19H15Cl2P
Molecular Weight	345.20 g/mol
Synonyms	Dichloromethylene(triphenyl)phosphorane; Triphenylphosphine Dichloromethylene Ylide; (Dichloromethylene)triphenylphosphorane; Dichloromethylidene(triphenyl)-λ5-phosphane; Dichloromethylenetriphenyl-λ5-phosphane; Wittig Reagent Analogue
EINECS	229-875-3

Quality Control

Our Dichloromethylenetriphenylphosphorane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high reactivity. Each lot is analyzed to confirm identity, purity, and stability. Certificates of Analysis (COA) detailing specific test results are provided and can be tailored to meet customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C in a cool, dry, and well-ventilated area. This compound is hygroscopic (moisture-sensitive) and easily oxidized; prolonged exposure to air or moisture must be avoided to maintain purity and reactivity.

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.