Description

Ethoxy-Methyl-(4-Methylsulfanylphenoxy)-Sulfanylidene-Phosphorane is a specialized organophosphorus compound featuring a unique ylide structure. This chemical is valued for its role as a key reagent in advanced organic synthesis, particularly in the construction of complex molecular frameworks. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications requiring precise carbon-carbon and carbon-heteroatom bond formation.

Application

• Pharmaceutical Intermediate Synthesis: A crucial building block for constructing active pharmaceutical ingredients (APIs), especially those containing sulfur and phosphorus heterocycles.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its reactive phosphorane center.
• Wittig and Related Olefination Reactions: Serves as a specialized ylide reagent for the synthesis of alkenes with specific stereochemistry and functional groups.
• Ligand and Catalyst Precursor: Acts as a starting material for synthesizing phosphorus-based ligands used in homogeneous catalysis.
• Advanced Material Development: Employed in the research of organic electronic materials and polymers where specific phosphorus-sulfur motifs are required.
• Custom Synthesis and Process Chemistry: Utilized by contract research and manufacturing organizations (CROs/CMOs) for client-specific, multi-step synthetic routes.

Basic Information

Product Name	Ethoxy-Methyl-(4-Methylsulfanylphenoxy)-Sulfanylidene-Phosphorane
CAS No.	2703-13-1
Molecular Formula	C10H13O2PS2
Molecular Weight	260.31 g/mol
Synonyms	[(Ethoxy)(4-(methylthio)phenoxy)methylene]dimethyl-λ5-phosphane; (Ethoxy){[4-(methylsulfanyl)phenoxy]methylene}dimethyl-λ5-phosphane; Ethoxy(methyl)[4-(methylthio)phenoxy]methylidenephosphorane; Dimethyl(ethoxy)[4-(methylthio)phenoxy]methylenephosphorane; A Wittig reagent derivative
EINECS	Contact for details

Quality Control

Our Ethoxy-Methyl-(4-Methylsulfanylphenoxy)-Sulfanylidene-Phosphorane is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistency and reliability for critical research and development applications. Certificates of Analysis (COA) documenting all relevant specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or after opening to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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