Description

Ethoxy-Methoxy-Methyl-Sulfanylidene-Phosphorane is a specialized organophosphorus reagent, a key building block in advanced synthetic chemistry. Its unique structure, featuring a sulfanylidene (thiocarbonyl) group adjacent to the phosphorane, makes it a versatile intermediate for constructing complex molecular architectures. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel drug candidates, particularly those containing phosphorus or sulfur heterocycles.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators requiring specific phosphorus-sulfur frameworks.
• Ligand Precursor: Serves as a starting material for the preparation of specialized ligands used in catalysis and material science.
• Organic Synthesis Reagent: Employed in Wittig-type and related reactions for the efficient formation of carbon-carbon double bonds in complex molecules.
• Chemical Research & Development: A valuable tool for academic and industrial R&D labs exploring new reaction methodologies and heteroatom chemistry.
• Fine Chemical Production: Integral to the multi-step synthesis of high-value, low-volume specialty chemicals and flavors/fragrances intermediates.

Basic Information

Product Name	Ethoxy-Methoxy-Methyl-Sulfanylidene-Phosphorane
CAS No.	53156-14-2
Molecular Formula	C5H11O2PS
Molecular Weight	166.18 g/mol
Synonyms	(Ethoxymethoxy-methylsulfanylidene)-λ5-phosphane; Phosphorane, (ethoxymethoxymethylthio)-; (Ethoxymethoxymethylthio)phosphorane; Thiocarbonyl ylide phosphorane derivative; Methyl (ethoxymethoxy)phosphinothioic ylide; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Ethoxy-Methoxy-Methyl-Sulfanylidene-Phosphorane is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and GC-MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting all critical parameters. Our quality systems are designed to support cGMP and ISO standards for reliable supply to regulated industries.

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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (argon or nitrogen) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	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.